The 1928 Airmail Overprints of Chile

With the growth of overseas airmail in 1928–29, the Chilean Post Office recognised the need for postage stamps specifically for the purpose of prepaying the airmail rate. As no international airmail stamps were available at the time, a provisional issue was created to meet demand. We discuss the production, known varieties and postal usage of the … Continue reading "The 1928 Airmail Overprints of Chile"