Chile
Now showing: Chile - Postage stamps (1853 - 2024) - 1 stamps.
1973
Inauguration of La Silla Astronomical Observatory
25. April WM: None Engraving: Casa de Moneda de Chile. Perforation: 15
![[Inauguration of La Silla Astronomical Observatory, type UE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Chile/Postage-stamps/UE-s.jpg)