Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Falkland Islands - 1929 (November 6), The Hubert Wilkins Antarctic Aerial Expedition, cover from Port Stanley to South Shetlands, franked by King George V and Penguins 1p scarlet, violet Exhibition marking, South Shetlands ''JA. 6.30'' date stamp, Wilkins' autograph, mounted on page from a Collection, VF and scarce, Est. $400-$500, Sc. # 55