Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World. Part 3
Lot 1266:
1959, Aleksandr Popov, Radio Pioneer, 40k black, orange brown and blue, double impression of orange brown color, full OG, NH, VF and scarce unrecorded variety, Est. $150-$200 , Sc. #2179 var
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