Airmail - The 50th Anniversary of the Social Security Institute - Fluorescent Paper 1978
現在展示： 厄瓜多爾 - （通用）郵票 - 1978 - Airmail - The 50th Anniversary of the Social Security Institute - Fluorescent Paper - 3 郵票.
現在展示： 厄瓜多爾 - （通用）郵票 - 1978 - Airmail - The 50th Anniversary of the Social Security Institute - Fluorescent Paper - 3 郵票.
![[Airmail - The 50th Anniversary of the Social Security Institute - Fluorescent Paper, 類型 BMD]](https://www.stampworld.com/media/catalogue/Ecuador/Postage-stamps/BMD-s.jpg)
![[Airmail - The 50th Anniversary of the Social Security Institute - Fluorescent Paper, 類型 BME]](https://www.stampworld.com/media/catalogue/Ecuador/Postage-stamps/BME-s.jpg)
![[Airmail - The 50th Anniversary of the Social Security Institute - Fluorescent Paper, 類型 BMF]](https://www.stampworld.com/media/catalogue/Ecuador/Postage-stamps/BMF-s.jpg)
