1931-49 $1 black, used with 15c on registered cover used in 1946 from Fort Amador to USA, also 15 July 1939 registered and flown FDC to Denver, with 25c, 30c and $1, minor cover tears, otherwise fine (Cat No. C14,18-20) (Image)

Est.US$150

1905-22 collection of 23 covers, written-up on 16 Exhibit pages (one frame), with a 1909 registered cover from Porto Bello to Ancon, showing "Station "A" Cristobal, C.Z. Registered" (discovery example!), Anzon, C.Z., Ancon, C.Z. Station "A", Balboa, C.Z., Bas Obispo, C.Z., with printed "Cristobal C.Z." Registry label (Scott FX-CZ1, $400) and handstamped name (FX-CZ2, $500), Boxio (with printed FX-CZ1 label), Cuebra, with handstamped Cristobal (FX-CZ2), Empire, Fort Amador, C.Z. (with FX-CZ1 label), Fort Sherman, C.Z. (franked with Scott 46 pair and 5x56, 1973 APS certificate), La Boca, Canal Zone (with handstamped FX-CZ2), La Cascadas, C.Z. (arrival Registered markings on registered stationery entire from Grenada), another on 10c on 5c Registration envelope (UF1, $2,000), Matachin (with handstamped Cristobal, C.Z. Registered handstamp FX-CZ2, $500, franking defective), Paraiso, C.Z., Pedro Miguel, C.Z., fine-v.f. A splendid showing of Registry markings from Canal Zone (research derived from the "Postal Markings of the Canal Zone" by Lawson P.Entwistle, published by the Canal Zone Study Group in 1982) (Image)

Est.US$5,000

1930 Cristobal-New York via Graf Zeppelin Lakehurst to Friedrichshafen flight cover, mixed franking with U.S. $1.30 Zeppelin, red South America Cachet and appropriate transit and arrival pmks, fine and scarce combination Zeppelin flight cover (Image)

Est.US$1,500