Paris Postal Conference. Issue of 1963 Surcharged "C 0.15 CONFERENCIA POSTAL DE PARIS - 1864" 1964
Now showing: Costa Rica - Postage stamps - 1964 - Paris Postal Conference. Issue of 1963 Surcharged "C 0.15 CONFERENCIA POSTAL DE PARIS - 1864" - 1 stamps.
![[Paris Postal Conference. Issue of 1963 Surcharged "C 0.15 CONFERENCIA POSTAL DE PARIS - 1864", type MY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/MY-s.jpg)
