Japan
Now showing: Japan - Military stamps (1910 - 1924) - 5 stamps.
1. December WM: None Perforation: 12-13½
31. August WM: None Perforation: 12-13½
20. May WM: 1 Perforation: 12-13½
April WM: None Perforation: 12-13½
WM: 1 Perforation: 12-13½