Science and Technology - Composition and Structure of DNA 2001
Now showing: Macau - Postage stamps - 2001 - Science and Technology - Composition and Structure of DNA - 4 stamps.
2001
Science and Technology - Composition and Structure of DNA
9. October WM: None Perforation: 14 x 13½
![[Science and Technology - Composition and Structure of DNA, type AEM]](https://www.stampworld.com/media/catalogue/Macau/Postage-stamps/AEM-s.jpg)