Redefinition of the SI Base Units 2019
Muri Bhalissa: Il-Korea t'Isfel - Bolol tal-posta - 2019 - Redefinition of the SI Base Units - 1 bolol.
2019
Redefinition of the SI Base Units
20. May WM: Xejn Qies ta'karta: 16 Disinn: Eun-kyung Park Perforazzjoni: 13 x 13¼
![[Redefinition of the SI Base Units, Tip DOB]](https://www.stampworld.com/media/catalogue/South-Korea/Postage-stamps/DOB-s.jpg)
