Air Post stamps. 1936, ''Portugal'', black overprints or surcharge ''Aviao'', complete set in sheet margin blocks of four, dried original gum as always exists, NH, VF, C.v. $230 as hinged singles (Image)
Opening US$ 70.00
Closed..Jun-10-2016, 08:30:00 EST
Sold For 0
Sale No: 69
Lot No:630
Symbol:**
Cat No:C13 fn
Air Post stamps. 1940, New York World's Fair, green overprint on 50a red brown, two singles, one of which has inverted overprint, full OG, NH, VF, 2,000 stamps were issued with a common overprint, and only 25 were produced with inverted one, made this stamp an undoubted worldwide airmail rarity, expertized by S. Wolf (Image)