Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Spain

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Start price: $60

Buyer's premium:

1938-50, 150th Anniversary of US Constitution, 1p multicolored, vertical imperforate pair; and Centenary of Postage stamps, 50c-15p, 1p-25p, imperforate complete set of eight, full OG, NH (first one) or LH, VF, C.v. $290, Est. $100-$120, Scott #585a, 776‑79, C127-30