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

Fezzan (Libya)

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Start price: $500

Buyer's premium:

1951, Well Drilling, 10fr denomination, 10 trial color die sunk epreuves de luxe in various colors, each one with appropriate punctures and control numbers in pencil at lower right, no gum as produced, NH, VF and rare unit, Sassone #35, Est. $800-$1,000, Sc. # 2N18