/Special postmarks by countries/
Special postmark. Any postmarks (cancellations). First day of issue postmarks, commemorative postmarks, calendar and postal franking machine postmarks with bisons or wisents.
Europa
Belarus (9 postmarks)
Czech Republic (1 postmark)
France (2 postmarks)
Germany (FRG) (1 postmark)
Lithuania (1 postmark)
Poland (16 postmarks)
Romania (7 postmarks)
Slovakia (1 postmark)
Spain (6 postmarks)
UN Geneva (2 postmarks)
USSR (1 postmark)
America
  Canada (2 postmarks)
USA (73 postmarks)
Total number of postmarks - 122
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