Airmail - The 50th Anniversary of Pan-American Union - Overprinted "UNION PANAMERICANA 1890-1940 CORREO AEREO" 1940
Ora in esposizione: Guatemala - Francobolli postali - 1940 - Airmail - The 50th Anniversary of Pan-American Union - Overprinted "UNION PANAMERICANA 1890-1940 CORREO AEREO" - 1 francobolli.
![[Airmail - The 50th Anniversary of Pan-American Union - Overprinted "UNION PANAMERICANA 1890-1940 CORREO AEREO", Scrivi LR]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/LR-s.jpg)
