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

Vietnam - Vietcong

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Start price: $250

Buyer's premium:

1972, Medicine in Liberated Vietnam, 50xu multicolored, buff color omitted, top sheet margin block of four, no gum as produced, NH, VF and rare multiple, a common stamp is added for comparison, Est. $500-$600, Scott #42 var