Ditunjukkan sekarang: Panama - Setem-setem bayaran pos (1930 - 1939) - 1 Setem-setem.
1931
Airmail - Opening of Service between Panama City and Western Province
28. November WM: Tiada Perforasi: 12½
![[Airmail - Opening of Service between Panama City and Western Province, jenis CA]](https://www.stampworld.com/media/catalogue/Panama/Postage-stamps/CA-s.jpg)
