History of Aviation, Rare Stamps and Postal History of the World, Part 1

Worldwide Pioneer Flights - Bolivia

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Start price: $150

Buyer's premium:

1924, Aviation School issue, 10c-5b, complete set of seven, each one with diagonal red violet overprint ”Muestra”, each one neatly removed from the UPU information pages, mostly F/VF, Est. $200-$250 , Sc. #C1-7