International Stamp Exhibition PHILASERDICA `79 - Stamp Day 1979
Now showing: Bulgaria - Postage stamps - 1979 - International Stamp Exhibition PHILASERDICA `79 - Stamp Day - 1 stamps.
1979
International Stamp Exhibition PHILASERDICA `79 - Stamp Day
23. May WM: None Sheetsize: 1 Perforation: 13
![[International Stamp Exhibition PHILASERDICA `79 - Stamp Day, type ]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/2800-b.jpg)
