United Nations Environmental Conservation Conference - Stockholm, Sweden 1972
現在展示： 利比亞 - （通用）郵票 - 1972 - United Nations Environmental Conservation Conference - Stockholm, Sweden - 2 郵票.
現在展示： 利比亞 - （通用）郵票 - 1972 - United Nations Environmental Conservation Conference - Stockholm, Sweden - 2 郵票.
![[United Nations Environmental Conservation Conference - Stockholm, Sweden, 類型 FM]](https://www.stampworld.com/media/catalogue/Libya/Postage-stamps/FM-s.jpg)
![[United Nations Environmental Conservation Conference - Stockholm, Sweden, 類型 FM1]](https://www.stampworld.com/media/catalogue/Libya/Postage-stamps/FM1-s.jpg)
