Lot 981
Nov 20, 1929 DO-X Trial Flight Photocard, Swiss Franking, with Tax Marking, Red Violet On Board Cancel. Harms #1.CH.IV.a, Rorshach cancel and DO-X depiction with dignitaries on reverse, scarce red violet on board cachet, Swiss franking untied, scarce and fine card. Please note two exceptional DO-X covers can be found by clicking onto lots 1053 and 1054 in this auction. Estimate Value $450 - UP
Ex The Carpenter Collection.
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