International Stamp Exhibition Interphil `76, Philadelphia, USA 1976
Now showing: Hungary - Postage stamps - 1976 - International Stamp Exhibition Interphil `76, Philadelphia, USA - 1 stamps.
1976
International Stamp Exhibition Interphil `76, Philadelphia, USA
29. May WM: None Perforation: 11½ x 12¼
![[International Stamp Exhibition Interphil `76, Philadelphia, USA, type ]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/3145-b.jpg)
