Now showing: UN New York - Postage stamps (1960 - 1969) - 11 stamps.
13. February WM: None Perforation: 13¼ x 13
17. April WM: None Perforation: 13 x 13¼
18. September WM: None Perforation: 13½
24. October WM: None Perforation: 11¾
4. December WM: None Perforation: 11¾