History of Aviation, Rare Stamps and Postal History of the World, Part 1

United States

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Start price: $750

Buyer's premium:

1993, American Musicals, three imperforated proofs of booklet pane of four 29c values in finished design, in blue color only and in blue and magenta colors only (last two have design is slightly different from issued stamps), all with full OG, NH, VF and very rare, C.v. $1,250 for finished design pane only, Est. $1,200-$1,500, Sc. #2770a P, b, c