Now showing: UN Vienna - Postage stamps (1979 - 2024) - 9 stamps.
28. January WM: None Perforation: 13¼
18. March WM: None Perforation: 14¾ x 14½
22. April WM: None Perforation: 13½
6. June WM: None Perforation: 14
9. December WM: None Perforation: 13¾