Live Auction #87
Lot 110:
October 31, 1934, Experimental Airmail Rocket Flight three covers from Trieste, franked by one or two stamps of Military Medal of Valor, all addressed to Germany, each one is bearing two specially produced triangle stamps of 5L and 7.70L, two covers have Thulendorf backstamps, in addition two triangles cancelled on individual pieces, mostly VF, Sc. #331-32
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