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

United States - Modern Errors

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Start price: $75

Buyer's premium:

1968, Waterfowl Conservation, 6c multicolored, vertical pair imperforated between stamps, full OG, NH, VF, C.v. $250, Est. $100-$150 , Sc. #1362a