Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World. Part 2
Lot 1030:
1951, Airplane over Murzuch, 200fr denomination, four trial color die sunk epreuves de luxe in dark ultra, dark blue, green and blue green, each one with appropriate punctures, but with pencil numbers instead of text at lower right, no gum as produced, NH, VF and rare unit, Sassone #PA4, Est. $400-$500, Sc. # 2NC4
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