Airmail - The 20th Anniversary of The Organization for Communication Co-operation between Socialist Countries 1978
现在展示： 古巴 - （通用）邮票 - 1978 - Airmail - The 20th Anniversary of The Organization for Communication Co-operation between Socialist Countries - 1 邮票.
![[Airmail - The 20th Anniversary of The Organization for Communication Co-operation between Socialist Countries, 类型 CTW]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/CTW-s.jpg)
