Now showing: China, Peoples Rep. - Postage stamps (1970 - 1979) - 19 stamps.
23. May WM: None Perforation: 11 x 11¼
10. July WM: None Perforation: 11½
2. September WM: None Perforation: 11½ x 11
25. December WM: None Perforation: 11½ x 11
30. December WM: None Perforation: 11¼ x 11