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

United States

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Start price: $60

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1925, Norse-American, 5c dark blue and black, left, top, bottom arrow and central line blocks of four, nicely centered, full OG, NH (2 blocks and 2 lower stamps of bottom arrow blocks) others are hinged, VF, C.v. is about $315, Est. $100-$120 , Sc. #621