Albania, Airmail, 1929 Air Post overprints complete. Neatly arranged on clean cover with local addressee, Vlone cds's, exceptionally scarce, a Very Fine cover; signed Bloch on front. Scott No. C22-C28  $1,251 as stamps. $0 (Image)

Bolivia, Airmail, 1930 10c vermilion and black, blue double overprint, one inverted. O.g., lightly hinged, fresh and Fine, rare with only 100 issued; signed. Sanabria No. 23b. Scott No. C12 var.  Estimate $150 - 200. $0 (Image)

Bolivia, Airmail, 1930, 10c vermilion and black, blue inverted overprint. O.g., lightly hinged, Fine, only 100 issued. Sanabria No. 23a. Scott No. C12 var.  Estimate $150 - 200. $0 (Image)

Bolivia, Airmail, 1930, 15c carmine and black, blue inverted overprint. O.g., fairly light hinging, fresh and Fine, with only 250 issued. Sanabria No. 24a. Scott No. C14 var.  Estimate $100 - 150. $0 (Image)

Bolivia, Airmail, 1930, 25c dark blue and black, red double overprint, one inverted. O.g., very lightly hinged, fresh and Very Fine, with only 125 issued; signed. Sanabria No. 25c. Scott No. C15 var.  Estimate $150 - 200. $0 (Image)

Bolivia, Airmail, 1930, 5c on 10c vermilion and black, green double surcharge, one inverted. O.g., lightly hinged, F.-V.F., only 100 issued; signed. Sanabria No. 22b. Scott No. C11 var.  Estimate $150 - 200. $0 (Image)

Canada, 1919-27 Airmail Semi-Official & Private Commercial Airline issues. 13 including CL5 tete-beche pair, CL6(2), CL7-9, CL10(2), CL12-13, CL42; also Air Post Semi-Officials CLP3 and CLP5, o.g. except for a couple no gum, and CL6(1) with a thin, mostly very fine with a couple lesser, most interesting lot. Unitrade No. CLP3//CL42 C$1,805 ($1,836). $0 (Image)

Canada, 1924-30 Semi-Official flight covers. 6 items, best being CLP5i (wide spacing between "ew") Estevan to Winnipeg Oct 1st 1924 flight; CL11 on FF Halleybury to Rouyn; and 4 CL46 covers, including one with 2 stamps on Ile a la Crosse to Prince Albert FF; nice group in excellent condition, F.-V.F. lot. Estimate  $200 - 300. $0 (Image)

Canada, Airmail, 1931, 1m-4m Polar Flight Zeppelins complete. On separate Zeppelin photo flight postcards, each neatly tied by on-board postmark, "Friedrichshafen, 31.7.31" arrival cds and red flight cachet, Very Fine and choice. Michel No. 456-458. Scott No. C40-C42  Estimate $400 - 600. $0 (Image)

Canada, Airmail, 1931, 1m-4m Polar Flight Zeppelins complete. Tied by violet "Luftschiff, 27.7.1931" on board postmarks on flight cover, red German and Icebreaker 27.VII.31 cachet handstamps; 4m with light vertical crease and small cover tear at top, otherwise Very Fine. Michel No. 456-458. Scott No. C40-C42  Estimate $300 - 400. $0 (Image)

Canada, Airmail, 1938, 6¢ blue, imperf. Vertical right margin pair, o.g., never hinged, Extremely Fine. SG No. 371 var. Scott No. C6a  $500. $0 (Image)

Canada, Airmail Semi-Official, 1918, 25¢ Aero Club of Canada, Toronto-Ottawa. Fresh example, without gum, Very Fine. Unitrade No. CLP2 C$500 ($508). Scott No. unlisted. $0 (Image)

Canal Zone, Airmail, 1951, 31¢ Globe & Wing, imperf vertically. Horizontal pair, o.g., lightly hinged (minor natural gum bends), fresh and F.-V.F.; with 2007 P.F. certificate. Scott No. C25a  $1,000. $0 (Image)

Canal Zone, Canal Zone & Possessions Stock. Interesting accumulation in stockbook, with overprints on Panama, U.S. issues, including definitives, commemoratives, airmails, Dues & Official airs, coils & booklets; plus some Philippines and a few faulty Hawaii numerals; mixed condition on some, should be viewed carefully to determine full value (no photo). Estimate  $500 - 750. $0

Canal Zone, Envelope, 1923, 2c carmine. Entire, Very Fine. Scott No. U5  $200. $0 (Image)

Canal Zone, Envelope, 1932, 3¢ on 2¢ carmine. Entire, fresh and Very Fine. UPSS No. 31. Scott No. U12  $225. $0 (Image)

Canal Zone, Envelope, 1934, 3¢ on 2¢ carmine. Entire, bright and fresh, few natural inclusions on front, Very Fine and choice. Scott No. U15  $250. $0 (Image)

Canal Zone, Postal Card, 1921, 1c green. Entire, slight soiling, Fine. Scott No. UX5  $1,100. $0 (Image)

Canal Zone, Registration Envelope, 1918, 10¢ on 5c black & red on cream, narrow surcharge. Partial cover front to Canada uprated with 1918, 2¢ vermilion & black (#53) tied by segmented cork cancels, blue "Ancon C.Z., Registered, May 28, 1919" cds, cut square, Very Fine. Scott No. UF1  $2,000 for entire. $0 (Image)

Canal Zone, Registration Envelope, 1918, 10¢ on 5c black & red on cream, wide surcharge. Entire, fresh and Very Fine, a scarce mint entire. Scott No. UF1a  $1,300. $0 (Image)

Costa Rica, Airmail Semi-Official, 1921, 1c First Airmail Semi-Official. Natural straight edge at right, light purple town cancel, F.-V.F., very rare, this was issued for use on experimental flight from San José to Managua on April 15, 1921, the plane crashed and mail was forwarded by land. Sanabria No. S1. Scott No. unlisted  Estimate $150 - 200. $0 (Image)

Cyrenaica, Airmail, 1933 Graf Zeppelin Issue complete. Attractive, neatly cancelled, fresh and Very Fine. Scott No. C12-C17  $1,265. $0 (Image)

Cyrenaica, Airmail Semi-Official, 1934, 25l+2l Airmail Semi-Postal Official. Bright and fresh, o.g., lightly hinged, Very Fine, rare; signed A. Diena. Scott No. CBO1  $2,750. $0 (Image)

Danzig, 1931 South American Zeppelin Flight. Card franked with 1924, 10pf + 40pf + 2½g Airmail issues, each tied by "Danzig, Luftpost, 15.9.31" oval date stamp, purple U.S. and red German flight cachets; faint corner mount toning, still Very Fine. Scott No. C26+C28+C30  Estimate $250 - 350. $0 (Image)

Eritrea, Airmail Semi-Official, 1934, 25l+2l Airmail Semi-Postal Official. Bright and fresh, o.g., lightly hinged, F.-V.F.; signed A. Diena. Scott No. CBO1  $2,800. $0 (Image)