Bulgaria 1974 Conference on Security and Cooperation in Europe
From Stamps of the World
- Issue Date: 29 October 1974
- Designed by: St. Kanchev
- Print Run : BL53A x 260,000 / BL53B x 15,000
- Print Process:
- Perforations: 13:13¼
- MS Size : 96x116 mm
- Bulgarian Catalog Number : 2437-38
- Michel Catalog Number : 2365-68/BL 53A and 53B
Miniature Sheet