Praegu kuvatakse: kanali tsoon - postmargid (1904 - 1978) - 1 margid.
1948
The 25th Anniversary of Establishment of Canal Zone Biological Area
17. aprill WM: mitte ükski perforatsioon: 11
![[The 25th Anniversary of Establishment of Canal Zone Biological Area, Tüüp BF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Canal-Zone/Postage-stamps/BF-s.jpg)
