Thailand
Now showing: Thailand - Postage stamps (1883 - 2024) - 1 stamps.
1985
National Science Day
18. August WM: 13 Engraving: John Waddington Security Print Ltd. Perforation: 12 x 12¼
![[National Science Day, type AGZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Thailand/Postage-stamps/AGZ-s.jpg)