The 20th Anniversary of the UN Resolution on Peaceful use of Marine Research 1987
ただいま表示中： マルタ - 郵便切手 - 1987 - The 20th Anniversary of the UN Resolution on Peaceful use of Marine Research - 2 切手.
ただいま表示中： マルタ - 郵便切手 - 1987 - The 20th Anniversary of the UN Resolution on Peaceful use of Marine Research - 2 切手.
![[The 20th Anniversary of the UN Resolution on Peaceful use of Marine Research, タイプ UC]](https://www.stampworld.com/media/catalogue/Malta/Postage-stamps/UC-s.jpg)
![[The 20th Anniversary of the UN Resolution on Peaceful use of Marine Research, タイプ UD]](https://www.stampworld.com/media/catalogue/Malta/Postage-stamps/UD-s.jpg)
