Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Saar - 1950, Airplane shadow over Saar river, 25fr vermilion, 50fr greenish blue and 200fr carmine, perforated and imperforate complete set of three, the last one with left sheet imprint margins, full OG, NH, VF, Mi #252-54, 252U-54U, C.v. €797, Est. $200-$250, Scott #C9-11, imp