Now showing: UN Vienna - Postage stamps (1980 - 1989) - 9 stamps.
3. February WM: None Perforation: 14
15. March WM: None Perforation: 14¾
18. April WM: None Perforation: 14¼
29. May WM: None Perforation: 11½
15. November WM: None Perforation: 13¼