Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 2

Switzerland

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Start price: $200

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Description

1966, Mountains and Town View, test (dummy) stamp with text ”Specimen” at top and ”Mehrfarbiger Stichtiefdruck” (Multicolored Intaglio Printing), comb perforation 11¾, five sheets of 50 (5×10), stage proofs with control markings and dates ”19.IV.66” on incomplete design sheets and ”25.IV.66” on finished design, full OG, NH, VF, Est. $400-$500