Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Australia - 1919, Pioneer Flight Across St. Vincent Gulf by Captain Harry Butler, souvenir aerial postcard addressed to Minlaton, franked on colored address side by King George V stamp of 1½p chocolate, message side representing Capt. Butler's portrait and flight description, bottom left corner crease, still F/VF, Est. $150-$200, Sc. # 24