Canal Zone, 1904, 1¢ blue green, in combination with 1904, 2¢ carmine, two singles on fresh printed return cover to Boston, Mass., tied by blue bar cancel with matching "Cristobal, Canal Zone, Aug 16, 1904" cds, Very Fine. Scott No. 4+5  Estimate $100 - 150. $0 (Image)

Canal Zone, 1904, 8¢ violet black, in combination with 1904, 1¢ green + 2¢ carmine on Royal Mail Steam Packet Co. seal cover (backflap) to Costa Rica, each tied by violet "Colon, Agencia Postal Nacional, Nov 1, 1904" cds and Flag duplexes, receiving backstamp; couple small sealed cover tears at top, still Very Fine and attractive, a very rare 8¢ usage. Scott No. 7+4-5  Estimate $300 - 400. $0 (Image)

Canal Zone, 1917, 12c purple & black, tied by cork cancel on registered cover to Indianapolis, Indiana, purple registry boxed handstamp and reverse with "Cristobal, C.Z., Registered, Aug 18, 1920" cds, N.Y. transit and receiving backstamps, slightly reduced at top, Very Fine, scarce usage. Scott No. 49  Estimate $100 - 150. $0 (Image)

Canal Zone, 1918, 1c green & black, horizontal pair, tied by two strikes of "Balboa, C.Z., Dec 2, 1918" duplex postmarks on YMCA corner card cover cover to Indianapolis, Ind., Very Fine, sent from sailor aboard the "U.S.S. Delong, U.S. Navy". Scott No. 52  Estimate $150 - 200. $0 (Image)

Canal Zone, 1920, 2c orange vermilion & black, o.g., bend slightly creasing and hint of soiling at top left, F.-V.F. appearance, still a very presentable example of this rare stamp; with 1995 P.F. certificate. Scott No. 47  $3,250. $0 (Image)

Canal Zone, 1920, 5c deep blue & black, tied by "Cristobal, Canal Zone, Oct 6, 1920" machine cancel on corner card cover to Greenville, Ill., in combination with U.S. 1917, 10¢ Special Delivery tied upon arrival in U.S. by "New Orleans, La., Oct 11, 1920" duplex postmark, receiving backstamp, Very Fine, an exceptional combination usage. Scott No. 54+U.S. E11  Estimate $300 - 400. $0 (Image)

Canal Zone, 1924, $1 violet brown, flat "A", tied by "Cristobal, C.Z., Mar 13, 1926" duplex postmark on cover addressed to New York City, airmail etiquette at top, Very Fine, philatelic yet rare high value on cover. Scott No. 81  Estimate $750 - 1,000. $0 (Image)

Canal Zone, 1924, 12¢ brown violet, flat "A", in combination with 1925, 10¢ orange, tied by "Cristobal, C.Z., Mar 13, 1926" duplex postmarks on cover addressed to New York City, Very Fine. Scott No. 76  Estimate $100 - 150. $0 (Image)

Canal Zone, 1924, 30¢ olive brown, flat "A", tied by "Cristobal, C.Z., Mar 13, 1926" duplex postmark on cover addressed to New York City, Very Fine. Scott No. 79  Estimate $100 - 150. $0 (Image)

Canal Zone, 1924, 50¢ lilac, flat "A", tied by "Cristobal, C.Z., Mar 13, 1926" duplex postmark on cover addressed to New York City, airmail etiquette at top, Very Fine, philatelic yet rare high value on cover. Scott No. 80  Estimate $400 - 600. $0 (Image)

Canal Zone, 1926, 15¢ gray, sharp "A", tied by "Cristobal, C.Z., Mar 13, 1926" duplex postmark on mourning cover addressed to New York City, Very Fine. Scott No. 90  Estimate $100 - 150. $0 (Image)

Canal Zone, Accumulation, 1905-1965, dealer's stock on black show cards, with considerable duplication of values to $200, also some varieties, blocks, plate blocks, booklet panes, and much more; regular issues, airmails, postage dues, officials, air post officials, a few stationery items, etc; closer examination will be very fruitful; catalog value high, condition generally F-VF, please inspect. Estimate  $1,500 - 2,000. $0

Canal Zone, Airmail, 1929, 20¢ on 2¢ carmine, horizontal pair, tied by "Cristobal, C.Z., Apr 27, 1931" duplex postmark on legal size corner card cover to Chicago, Ill., mixed franking with Columbia 1917, 1c green, two singles + 1930, 4c dark blue & black, two singles + Airmail 1929, 5c pair + 10c + 30c, all tied by "Servico Postal Aereo Scadta, 26. IV. 1931" cds's; few cover edge tears and file fold, otherwise Very Fine. Scott No. C5  Estimate $100 - 150. $0 (Image)

Canal Zone, Airmail, 1931, $1 Gaillard Cut, in combination with 1931, 40¢ Gaillard Cut, two singles on legal size YMCA corner card cover to New York City, tied by wavy line cancels and "Cristobal, C.Z., Jul 25, 1936" duplex postmark; some cover edge wrinkling, Very Fine, a very scarce high value franking. Scott No. C14+C13  Estimate $200 - 300. $0 (Image)

Canal Zone, Airmail, 1931, 15¢ on 1¢ yellow green, type II, top margin block of 4 with plate number, o.g., never hinged at top, hinged at bottom, Very Fine; with 2007 P.F. certificate. Scott No. C2  $380. $0 (Image)

Canal Zone, Collection, 1899-1976, useful collection on hand drawn Scott pages; inspect. Estimate  $200 - 300. $0

Canal Zone, Covers, 1915-65, group of 25 items; includes many airmail items including FDC's, 1918 pioneer airmail flight (AAMC 523), censor mails, few postal cards, etc.; inspect. Estimate  $150 - 200. $0

Canal Zone, Envelope, 1923, 2c carmine, entire canceled by "Balboa Heights, C.Z., May 21, 1924" duplex postmark, addressed to the Panama Railroad Steamship Co. in Cristobal, reduced at left, Very Fine. Scott No. U5  Estimate $100 - 150. $0 (Image)

Canal Zone, Postage Due, 1914, 10¢ rose carmine, o.g., never hinged, rich color, Fine. Scott No. J3  $1,000. $0 (Image)