Worldwide United States Airmail 1937 20¢ & 50¢ China Clipper.
Sale No: 31
Lot No:2910
Symbol:
Cat No:C21-C22
Airmail, 1937, 20¢ & 50¢ China Clipper. 6 blocks of 4 and a single of each, fresh wholesale lot of 25, o.g., never hinged, Very Fine (no photo). Scott No. C21-C22 $562. $0