Auction # 2506 WORLDWIDE + ARGENTINA: Special auction Punta del Este Exposition

12 Airmail covers sent from Geneve to Argentina between 1940 and 1946, almost all franked with official stamps of the LEAGUE OF NATIONS, and 2 with Swiss definitive stamps, including good values and combinations, 2 were censored (one with double Nazi + Allied censorship labels), in general of very fine quality, very unusual lot!