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.
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)
Now showing: Macau - Postage stamps - 2001 - Science and Technology - Composition and Structure of DNA - 4 stamps.
9. October WM: None Perforation: 14 x 13½
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