Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Ecuador - 1929, ''Servicio Bolivariano de Transportes Aereos'', 50c-25s and registration stamp with black ''R'' overprint on 1s rose, complete set of 11, most with sheet margins, full OG, NH, VF, C.v. $666 as hinged, Est. $300-$400, Scott #C16-25, CF2