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Now showing: Bulgaria - Postage stamps (1960 - 1969) - 13 stamps.
9. June WM: None Perforation: 11
1. January WM: None
3. February WM: None Perforation: 13
12. March WM: None Perforation: 10½
9. October WM: None Perforation: 11½
9. September WM: None Perforation: 11½
7. December WM: None Perforation: 13¼ x 13
23. May WM: None Perforation: 10½
17. May WM: None Perforation: 13
3. October WM: None Perforation: 10½ x 13¾