Original sentence: However, after the Japanese surrender in the summer of 1945, all manufacturing of rifles and ammunition stopped abruptly, causing the Arisaka to quickly become obsolete.One of the final standing orders of the Imperial Army was to file off the Emperor's family chrysanthemum insignia, or mum, from each of the rifles, thereby preventing dishonor from having the symbol fall into surrender.Since most Imperial Japanese Armoury contents were thrown into Tokyo Harbour after the signing of the surrender, spare ammunition also became rare.The Arisaka Rifle was designed by Colonel Nariakira Arisaka (有坂 成章; 1852 - 1915), who was later promoted to Lieutenant General and also received the title of baron from Emperor Meiji, in 1907.Therefore, the value of one of the rifles to a collector is slightly higher if the insignia is intact
Edited sentence: Also, one of the final standing orders of the Imperial Army was to file off the Emperor's family chrysanthemum insignia, or mum, also known as the "mum" to rifle collectors, from each of the rifles, thereby preventing dishonor from having the symbol fall into surrender.Based on the Mauser action, the Arisaka is a surprisingly strong rifle, but many were neglected by the soldiers in the Pacific War because of the difficulty in getting parts to remote islands.Designed by Colonel Nariakira Arisaka (有坂 成章; 1852 - 1915), who was later promoted to Lieutenant-General and also received the title of baron from Emperor Meiji, in 1907.However, after the Japanese surrender in the summer of 1945, all manufacturing of rifles and ammunition stopped abruptly, causing the Arisaka to become obsolete overnight.In fact, most of the Imperial Japanese Armoury contents were thrown into Tokyo Harbour after the signing of the surrender, so there is almost no surplus ammunition for the Arisaka Rifle in existence anymore.Therefore the value of a rifle to a collector is slightly higher if the mon is intact-- such rifles thus are likely to have been captured by Allied forces before the surrender