Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union - 1923, red Airplane overprint on 45r green and black in vertical pair together with 28 other RSFSR adhesives and two exchange tax stamps used on registered cover from Moscow to US, all appropriate markings and NYC arrival ds, minor wearing, still F/VF and rare mailing, Est. $300-$400, Scott #C1