Bolivia Stamps and Postal History continued...

1917 10c ON 1c COBIJA PROVISIONAL continued...

Lot	Symbol	CatNo.	Lot Description	CV or Estimate
2181		102	#102, 1917 "Correos /10 Cts./1917' on 1c Blue Cobija provisional surcharge, Ty. I, a well centered example tied to a 1917 cover to Chicago, the stamp has wide balanced margins and strong colors, neatly tied by "Correos de Bolivia/Cobija/1 Feb. 1917" c.d.s. that all known used examples possess, sent via Brazil with Xapuri (Acre), Brazil transit and one other on the reverse, cover has edge wear at top including small tear and light aging around the border of the cover which only very slightly affects the stamp; condition factors, which are relatively minor, are rather irrelavent on this cover as this is the only recorded cover bearing the Cobija Provisional; a great 20th century rarity of Bolivia. (Image)	Est. $2,000-3,000 SOLD for $7,500.00 Will close during Public Auction
2182	O	102a	#102a, 1917 "Correos /10 Cts./1917' on 1c Blue Cobija provisional surcharge in carmine, Ty. II, the extremely rare variety with san-serif "1"s in "1917", used with a portion of the black violet cancel of Cobija, no control cancel on the reverse implying that this stamp was probably removed from a cover it had been used on, well centered with deep colors, slightly uneven perforations, otherwise very fine; this overprint was produced in a setting of ten cliches, this rare variety comes from position 10; with only 1,000 stamps overprinted in total this variety is ten times scarcer with only 100 stamps originally overprinted in this type and certainly less than that number which have survived; 1987 Alex Rendon certificate. (Image)	Est. $1,500-2,000 SOLD for $1,500.00 Will close during Public Auction
2183	O	102a var.	#102a var., 1917 "Correos /10 Cts./1917' on 1c Blue Cobija provisional surcharge in black, Ty. II, a beautifully centered single with wide balanced margins, the stamp has deep blue color and the surcharge is in an intense black color that is not listed in the catalogs or previously recorded, used with a portion of the proper violet cancel of Cobija and without the control cancel on the reverse implying it was used on a cover, extremely fine; little is known about this surcharge in black except that the overprint is genuine and it was properly used with the cancel on top of the overprint; this is the only recorded example in black as noted in the accompanying certificate and a great rarity of this provisional issue; signed A. Rendon and accompanied by by his 1984 certificate. (Image)	Est. $2,000-3,000 SOLD for $3,500.00 Will close during Public Auction

20TH CENTURY COLLECTIONS

Lot	Symbol	CatNo.	Lot Description	CV or Estimate
2184	PO		Twentieth century mint and used specialized collection of the issues from the 1901 Famous Men to 1919 Coat of Arms, a very extensive study of these issues which includes a smattering of proofs and trial colors throughout including die proofs die sunk on card for the 1c 1901 and 50c 1913 Famous Men series, the general pattern of the collection includes mint singles, multiples from blocks of four or larger, extensive used showing numerous types of postal cancels used on each issue, then whatever varieties are available for the issue, for example the 1909 Centenary of the Revolution has imperforates in pairs or larger, tete-beche pairs, including used strips of three, inverted centers of the three values that are found that way including perforation varieties of those in multiples, the other definitive issues are collected in a similar fashion were such varieties are found, includes a nice representation of the provisional surcharges and overprints in the 1911 to 1917 period, including three genuine used examples of the 1911 20c on 2c Green and black Ville Belle provisional (#97; all three with various certificates) and two of the rare 1917 10c on 1c Blue Cobija provisional (#102; both with certificates), these rare provisionals may have small back flaws but they are truly trivial, also includes for all the overprints a selection of forged overprints making this a valuable reference collection as well, all are neatly written up and mounted on exhibition pages in two deluxe custom albums, fine-very fine throughout; a wonderful collection of these issues with the value found in all the elusive varieties that are seldom encountered to such an extent as is found here; accompanied by five certificates of various committees.	Est. $2,000-3,000 SOLD for $8,500.00 Will close during Public Auction
2185			Twentieth century substantial and comprehensive postal history collection in five volumes, consists of well over 300 covers and cards attractively written up on pages and housed in four deluxe custom albums, this collection starts with the 1901 Famous Men definitive series with over a full volume devoted to the that issue alone, then each of the other early 20th century issue receives similar treatment up to the 1919-20 Coat of Arms issue with just a few later, includes a nice selection of the provisional surcharges of 1911-12, many usages of both cards and covers are to Europe with a few to the United States, but there are also proper domestic uses and foreign mail to neighboring South American countries, both of which sometimes involves the use of bisects which was a normal practice in the Bolivian post offices, lots of cards have lovely views of this culturally rich and fascinating country, we note several of the popular cards from the remote post office of Estarca which usually feature native peoples in both cosmopolitan and rural jungle settings, covers feature a fair number of registered usages making for some excellent higher value frankings, condition varies but overall selected to show the various uses of the stamps of this period and most are fine-very fine or better; examination will reveal a wealth of desirable and often elusive material.	Est. $4,000-5,000 SOLD for $4,750.00 Will close during Public Auction

AIR POSTS (Including Collections)

Lot	Symbol	CatNo.	Lot Description	CV or Estimate
2186	PTC		1924 Aviation School air post proof collection consisting of 23 die proofs creating an historical sketch of the vignette and frame dies in various states of completion as produced by the Perkins, Bacon & Co. of London, the vignette was a combination die with both planes that were used in this series, includes a finished combination die with both, another with one finished and the other roughed in plus individual proofs of each, the frame dies include proofs from the beginning as it was just starting to be developed, includes various without value plus all completed frames for the seven values in the issued colors, also several die proofs with the vignette inserted in various states of the frame, mostly of the 10c value including two with the vignette not used on that value, also a very few plate proofs including a block of nine of the 5B value in Green and black, fine-very fine and a wonderful production study of this popular first air mail series. (imagea) (imageb) (Image)	Est. $1,000-1,500 SOLD for $4,000.00 Will close during Public Auction
2187		C1a	#C1a, 1924 10c Vermilion and black air post, inverted center, bottom right corner margin single, centered to right (virtually all examples of this error are centered to one side or the other), fresh colors, o.g., hinged in the bottom selvage only, stamp is n.h., attractive fine centering; only 50 examples were printed with center inverted; an especially rare stamp in this never hinged condition signed Sanabria. (Image)	Est. $1,000-1,500 SOLD for $1,100.00 Will close during Public Auction
2188		C1a	#C1a, 1924 10c Vermilion and black air post, inverted center, a stunning pristine mint block of six of this rare and popular inverted center air post, remarkably well centered overall being well above the average for this error, brilliant fresh vermilion cover and strong detailed black center, full crisp even perforations all around, flawless o.g., never hinged, very fine; just one example of this stamp in never hinged condition is exceptionally rare, this block is the premier rarity of the Aviation School first air mails of Bolivia, being the only recorded block of any size that yet remains intact and retaining its "post office" fresh quality. (Image)	Est. $7,500-10,000 SOLD for $16,000.00 Will close during Public Auction
2189		C3 var.	#C3 var., 1924 25c Blue and black, imperforate, Perkins, Bacon & Co. bottom imprint sheet-margin block of twelve containing six imperforate pairs, full large balanced margins on the other three sides, fresh bright colors and razor-sharp impressions, pristine o.g., n.h., extremely fine; while not listed in Scott this is one of four values of the Aviation School air mails that are recognized as being imperforate; an impressive and rare position multiple. (Image)	Est. $750-1,000 SOLD for $450.00 Will close during Public Auction
2190		C6 var.	#C6 var., 1924 2B Black brown and black air post, inverted center, an exceptionally well centered mint single, deep rich colors on fresh paper, o.g., lightly hinged, choice very fine; this inverted center is analogous to the 10c value with inverted center and yet has only half the number issued with only one sheet of 25 issued; extremely rare and seldom offered; signed A. Brun. (Image)	Est. $1,000-1,500 SOLD for $2,100.00 Will close during Public Auction
2191		C6 var.	#C6 var., 1924 2B Black brown and black air post, imperforate, inverted center, left sheet-margin horizontal pair, large even margins on the other sides as well, exceptionally attractive with rich colors and detailed impressions on fresh paper, o.g., lightly hinged, very fine and exceedingly choice; this is the only value that is known imperforate and with inverted center only one sheet of 25 issued; another extremely rare variety of this popular issue. (Image)	Est. $1,500-2,000 SOLD for $4,250.00 Will close during Public Auction
2192			1925 August 5th Junkers' First Flight Cochabamba to Sucre, an extraordinarily rare double rate cover with two of the "Correo Aereo/a Sucre/5-8-1925" green overprint on 50c Orange semi-official air post stamps, tied by violet "Correos de Bolivia/Cochambia" oval of that date, stamps centered to top, very fine cover; this flight from Cochabamba to Sucre is the scarcest of the three flight destinations of this series of flights made by the F13 Junkers that was brought to Cochabamba in 1925, this series of flights is considered by Bolivian air mail specialists to be the first authentic first flights of Bolivia, three different overprints were applied to the 50c Orange value for the three flights, double rate covers with two stamps are of the greatest rarity and particularly on this flight, the cover offered here is believed to be one of only two known. (Image)	Est. $1,000-1,500 SOLD for $800.00 Will close during Public Auction
2193			1925 August 11th Junkers' First Flight Cochabamba to Oruro, a rare double rate cover with two of the "Correo Aereo/a Oruro/5-8-1925" green overprint on 50c Orange semi-official air post stamps, tied by violet "Correos de Bolivia/Cochambia/10 Ago 1925" black oval, another blue green c.d.s. of that post office at bottom left and Oruro receiving c.d.s. of August 11th at top left, one stamp is exceptionally well centered, the other, centered a bit to the bottom right and has two "25" from the "1925" caused by one overprint being displaced, very fine cover with all markings on the front; the flight to Ouro had a few more covers carried than to Sucre and more have survived, but like the previous cover, double rate covers with two of the air post overprints are extremely rare and this cover is one of no more than two or three covers that yet survive today. (Image)	Est. $750-1,000 SOLD for $700.00 Will close during Public Auction
2194	O		1925 Cochabamba first flight by Junkers aircraft specialized collection, when an F18 Junkers plane was brought to Cochabamba in 1925 a series of three flights was scheduled to Sucre, Orur and La Paz, stamps were overprinted in green or red for each of these destinations, the issuance was small with Sucre being the scarcest as only 400 stamps were issued, 600 were issued for Oruro and 1,000 for La Paz, the increase caused by the growing interest as the flights became known, this well written up collection on pages shows a wonderful assemblage of the stamps and covers with a nice range of varieties, the scope of which probably has not been seen before, includes 49 mint and used stamps with a scarce mint inverted overprint of Sucre, two mint and one used inverted overprints of Oruro, more varieties are found with the red La Paz overprints including three mint inverted overprints and two se-tenant pairs, one being an inverted overprint with the normal, the other the rare variety printed vertically on the stamp, one reading up and one reading down, in addition to the stamps there is also a collection of twelve of the scarce first flight covers to all three destinations including Sucre of which less than a dozed covers are known, includes return flights from Sucre and Oruro, plus a very rare cover to Oruro with an inverted overprinted on the stamp and an equally rare La Paz cover cover with a double overprint, both of these covers are quite likely the only known examples of these errors on cover, some reference material is included with bogus covers for the flights to Sucre and Oruro, condition is fresh and attractive, mint stamps have o.g., some will be found n.h., covers are overall attractive and very fine; an amazing collection of this interesting early air post history of Bolivia and worthy of careful examination	Est. $5,000-7,500 SOLD for $3,250.00 Will close during Public Auction
2195		C19 var.-23 var.	#C19 var.-23 var., 1930 5c-10c to 1B Aviation School issue with overprints for the Graf Zeppelin with metallic ink, inverted overprints, the complete set of five different values, all with fresh colors and overall quite well centered, the 1B Red brown and black is a right sheet margin single, o.g., 25c h.r., the rest are lightly hinged, fine-very fine; the 50c is not believed to have been issued with metallic ink; the only varieties found on the remaining stamps with metallic ink are the inverted overprints and only 50 of each were issued except for the 1B of which only 25 were issued; very rare and seldom offered as a set; the three low values are signed H. Bloch and accompanied by by 1976 Friedl certificate for a full set that includes three values offered here. (Image)	Est. $750-1,000 SOLD for $1,600.00 Will close during Public Auction
2196	O	C11-23	1930 Aviation School issue with overprints for the Graf Zeppelin, a specialized collection mounted on pages, being a fantastic study of these popular Zeppelin issues with hundreds of stamps collected in a myriad of ways, the collection starts with singles and blocks of proofs of the overprints in various colors up to a full setting of 25 in brown which is very rare, plus a set with "Muestra" (specimen) overprints for the issued set of six, nearly all of the issued stamps are the ordinary ink varieties but including a set of the metallic ink as well, generally collected in mint and used singles and blocks of four, values through the 25c have a full settings of 25 as well as a full sheet of 50 of the 10c value, each value is followed by a selection of forgeries, of greatest significance are the varieties of overprints in different colors plus inverted, double or double with one inverted overprints, a total of 38 of these varieties are present, some of the more important ones are 5c with blue and black surcharges (two of the latter), two 10c with brown surcharge and two each of the 50c with red and silver surcharges, the numerous inverted and double overprints include ten horizontal pairs with a variety se-tenant with a normal or another variety, etc., these pairs are especially rare as they come from the five positions between the two settings on a sheet and often only five examples were issued, condition is attractive, o.g. or used, never hinged will be found in multiples and some others, uniformly fine-very fine; a marvelous collection that contains many very rare items and certainly well worth examining; stamps will be found throughout signed by various experts and accompanied by six mostly PF certificates.	Est. $5,000-7,500 SOLD for $8,500.00 Will close during Public Auction
2197	O	C24-26b	#C24-26b, 1930 Pan-American Flight Zeppelin surcharges cplt., a specialized study of each of the three values including mint and used singles and blocks of four for each, plus mint and used inverted overprints and a mint block of four with inverted surcharge for all values, the comma instead of period variety is the bottom stamp in a vertical pair of each, plus the 1.50B on 15c value has a very rare and unlisted block of four with the right pair being inverted creating horizontal se-tenant pairs of which very few can exist, o.g., some are n.h. especially in the blocks, fine-very fine; a lovely specialized collection of this Zeppelin issue.	Est. $1,500-2,000 SOLD for $3,250.00 Will close during Public Auction
2198		Sieger #60D	Sieger #60D, 1930 Pan-American Flight, a lovely special franking cover for the flight to Germany with all three Zeppelin stamps and the special Air School air post overprinted set of six complete, overprinted with ordinary ink as normally found, all tied by "Correos de Bolivia/Correo Aereo/La Paz/14 Mayo 30" c.d.s., both black Bolivian flight cachets and violet American flight cachet, backstamped Friedrichshafen, very fine; signed H. W. Sieger. (Image)	Est. $1,000-1,500 SOLD for $1,600.00 Will close during Public Auction
2199		Sieger #60D var.	Sieger #60D var., 1930 Pan-American Flight, another special franking cover for the flight to Germay with all three Zeppelin stamps and the special Air School air post overprinted set of six complete, plus bearing an extra 10c Vermilion and black with rare brown overprint, all are overprinted with ordinary ink as is usual, all tied by "Correos de Bolivia/Correo Aereo/La Paz/14 Mayo 30" c.d.s., both black Bolivian flight cachets and violet American flight cachet, backstamped Friedrichshafen, vertical fold to cover not affecting any of the stamps, very fine; very few of the flown covers received the the rare color varieties of the overprints as only 50 stamps of each were issued. (Image)	Est. $1,500-2,000 SOLD for $1,900.00 Will close during Public Auction
2200		Sieger #60D var.	Sieger #60D var., 1930 Pan-American Flight, special franking cover for the flight to Germany with all three Zeppelin stamps and the special Air School air post overprinted set of six complete on front and back, all overprinted with ordinary ink as normally found, but quite unusual are the 10c Vermilion and black and 50c Orange yellow and black with inverted overprints, all tied by "Correos de Bolivia/Correo Aereo/La Paz/14 Mayo 30" c.d.s., both black Bolivian flight cachets and violet American flight cachet, backstamped Friedrichshafen, cover has been opened out for display, very fine and rare with only 100 stamps of the 10c and 50 stamps of the 50c with inverted overprints were issued. (Image)	Est. $1,500-2,000 SOLD for $1,900.00 Will close during Public Auction