The stamp on the left is a 3-sen stamp of General Nogi, issued in July 1944 (Showa 19). The stamp on the right is an 8-yen stamp, issued in June 1949 (Showa 24). The dates are June 5, 1945 (Showa 20), just before the end of the war, on the left, and July 5, 1950 (Showa 25) on the right?