Spain. Spanish Republic Airmail

669(2),770(3). 1937. 30 cts, dos sellos y 1 pts, tres sellos (uno defectuoso). BARCELONA a BUENOS AIRES. Matasello CORREO AEREO / BARCELONA / CAMBIO, transportada "POR CORREO AEREO" y "PAPELES DE NEGOCIO". RARA.

Automatically generated translation

669(2),770(3). 1937. 30 cts, two stamps and 1 pts, three stamps (one defective). BARCELONA to BUENOS AIRES. Postmark AIR MAIL / BARCELONA / EXCHANGE, shipped "BY AIR MAIL" and "BUSINESS PAPERS". WEIRD.