Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

Worldwide Air Post Stamps and Postal History - Thailand - Pioneers of Aviation

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Start price: $100

Buyer's premium:

1912 (July 13), stationery postcard with black surcharge 5s on 1½a red on buff paper, pre-printed invitation of German Fleet Club for upcoming lecture of Mr. Vorsitzenden about Flying Machines, fresh, VF and rare, Est. $200-$250