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: $500

Buyer's premium:

1978, Carl Sanburg, 13c black and brown, sheet margin (top and bottom) vertical strip of five, lower stamp with brown color completely omitted, full OG, NH, VF and rare, especially in transition piece, C.v.$1,750++, Est. $750-$1,000 , Sc. #1731a