Lot 2568Canal Zone, 1904, 1c green, 2c rose, 5c green, right 5c with broken "L" variety, all tied by blue "Canal Zone" cancels on registered cover to Birmingham Ala., blue "R, Cristobal, C.Z." registry handstamp, New York (3.23.1906) and Birmingham (3.25) backstamps; couple small cover flaws, Fine.
Scott No. 9 pair, 11 pair, 12 pair Estimate $200 - 300.
Lot 2569Canal Zone, 1904, 8¢ on 50c bister brown, block of four with left selvage, tied by "Pedro Miguel, C.Z., Nov 11 1906" duplex on legal size Isthmian Canal Commission office business cover to New York City, purple Cristobal (11.12) backstamp with Cristobal, C.Z. registry exchange label (FX-CZ1, cat. $500) affixed, magenta New York (11.18) arrival backstamp, F.-V.F.
Scott No. 14 Estimate $200 - 300.
The Cristobal C.Z. label was only used from Sept. 1906 to Dec. 1906.
Lot 2570Canal Zone, U.S. Postal Agency, Cali, Colombia, Air Mail, Sep 5 1940, bold strike of cds ties U.S. #873 and Canal Zone #C16 10¢ frankings on two separate cover addressed to L.E. Kraft in Cristobal, Canal Zone, Very Fine, a scarce cancel.
Estimate $100 - 150.
Lot 2571Canal Zone, Post Office Seal, 1917, dark blue, three singles, affixed around 1920 cover from Philadelphia to New York and forwarded Cristobal and Balboa Heights, in combination with U.S. Post Office Seal 1917 black (OX18) at top, franked with U.S. 2¢ carmine tied by Philadelphia, Pa. machine postmark; few cover tears, Very Fine, a rare post office seal combination.
Scott No. OX3 Estimate $400 - 600.