Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 1

Worldwide Air Post Stamps and Postal History - Liberia

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Start price: $300

Buyer's premium:

1941, First Flight Liberia – US, black surcharges 50c on 2c, 3c, 4c, 5c, 10c and 30c or overprints on 50c and $1, set of eight values (no 50c/20c), full OG, NH or VLH (No.C19), VF and scarce assemblage, each stamp with expert’s sign, C.v. $910 as hinged, Est. $500-$600, Sc. #C18/26