Now showing: United States - Postage stamps (1960 - 1969) - 24 stamps.
30. January WM: None Perforation: 11 x 10½
14. February WM: None Perforation: 11 x 10½
15. March WM: None Perforation: 11 x 10½
17. April WM: None Perforation: 11
25. May WM: None Perforation: 11
29. May WM: None Perforation: 11 x 10½
4. July WM: None Perforation: 11
5. July WM: None Perforation: 11
12. July WM: None Design: Leonard Baskin Perforation: 11
29. July WM: None Perforation: 11
1. August WM: None Design: Georg Olden Perforation: 11
17. August WM: None Perforation: 11
16. September WM: None Perforation: 10½ x 11
29. September WM: None Sheetsize: 50 Perforation: 11
2. October WM: None Perforation: 11
6. October WM: None Perforation: 11
16. October WM: None Perforation: 11 x 10½
24. October WM: None Perforation: 11 x 10½
2. November WM: None Perforation: 12
6. November WM: None Perforation: 11
11. December WM: None Perforation: 11