Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - French Colonies - French Guinea - 1963, First Flight from Conakry to New York, black overprint on 200fr emerald, brown and lilac, two complete sheets of 20, representing inverted and double overprint, full OG, NH, VF, Est. $200-$250 , Scott #C53 var