Now showing: UN Vienna - Postage stamps (1980 - 1989) - 9 stamps.
27. January WM: None Perforation: 12½ x 13¾
17. March WM: None Perforation: 13¼ x 13¾
21. April WM: None Perforation: 12¾ x 13¾
23. August WM: None Perforation: 13¼ x 14
17. November WM: None Perforation: 13½