Praegu kuvatakse: kanali tsoon - postmargid (1904 - 1978) - 1 margid.
1961
United States Army Caribbean School in Fort Gulick
21. november WM: mitte ükski perforatsioon: 11
![[United States Army Caribbean School in Fort Gulick, Tüüp BS]](https://www.stampworld.com/media/catalogue/Canal-Zone/Postage-stamps/BS-s.jpg)
