Airmail - The 100th Anniversary of the Death of Dr. Heinrich von Stephan, Founder of U.P.U., 1831-1897 1997
Now showing: Honduras - Postage stamps - 1997 - Airmail - The 100th Anniversary of the Death of Dr. Heinrich von Stephan, Founder of U.P.U., 1831-1897 - 1 stamps.
1997
Airmail - The 100th Anniversary of the Death of Dr. Heinrich von Stephan, Founder of U.P.U., 1831-1897
9. May WM: None Perforation: 13¼
![[Airmail - The 100th Anniversary of the Death of Dr. Heinrich von Stephan, Founder of U.P.U., 1831-1897, type ZI]](https://www.stampworld.com/media/catalogue/Honduras/Postage-stamps/ZI-s.jpg)
