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

United States - Modern Errors and Varieties

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Start price: $400

Buyer's premium:

1978, Carl Sanburg, 13c black and brown, top and bottom sheet margin vertical transition strip of five, lower stamp has brown color completely omitted and just traces of black, full OG, NH, VF and rare multiple, PF certificate, C.v.$1,750++, Est. $750-$900, Scott #1731a