Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Liberia

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Start price: $150

Buyer's premium:

1958, President Tubman’s Visits to Europe, postage and air post, inverted Flag varieties, complete set of seven in bottom left corner sheet margin blocks of four, full OG, NH, VF, Est. $300-$400, Scott #368-70, C114-17 var