Praegu kuvatakse: kanali tsoon - postmargid (1930 - 1939) - 1 margid.
1934
The 20th Anniversary of the Opening of Panama Canal
15. august WM: mitte ükski perforatsioon: 11
![[The 20th Anniversary of the Opening of Panama Canal, Tüüp AD]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/AD-s.jpg)
