The Japanese "Mon"

Published on November 12, 2025
Duration: 1:57

This video explains the significance of the 'Mon' or chrysanthemum seal found on Japanese Imperial firearms. It details how this symbol, representing the Imperial family and Army, was often defaced upon sale out of service. The speaker clarifies the correct Japanese term 'Mon' versus the common US misnomer 'Mum' and discusses the collector's premium on intact examples.

Quick Summary

The 'Mon' is the Japanese term for a heraldic symbol, with the Chrysanthemum Seal representing the Imperial family and Army on firearms. These were often defaced upon sale out of service, making intact examples more valuable to collectors. The common US term 'Mum' is likely a misinterpretation of the Japanese 'Mon'.

Chapters

  1. 00:01Collector Obsession with 'Mon'
  2. 00:08The Chrysanthemum Seal
  3. 00:16Defacement of the Seal
  4. 00:33Collector Premium for Intact Seals
  5. 00:43'Mon' vs. 'Mum' Terminology
  6. 01:10Japanese Term 'Mon'
  7. 01:16'Monsho' and 'Kamon'
  8. 01:26Symbol as Family Heraldry
  9. 01:36Evolution to 'Mum' in the US
  10. 01:46Final Thoughts on the Symbol

Frequently Asked Questions

What is the 'Mon' symbol found on Japanese Imperial firearms?

The 'Mon' is the Japanese term for a symbol, often translated as 'pattern' or 'crest', used as family heraldry. On Imperial firearms, it specifically refers to the Chrysanthemum Seal of the Japanese Imperial family and Army.

Why were Japanese Imperial rifle 'Mon' symbols often defaced?

The Chrysanthemum Seal was frequently defaced when Japanese rifles were sold out of military service, often for use in educational roles or as trainers. This defacement could involve punching, crossing out, or grinding off the symbol.

What is the difference between 'Mon' and 'Mum' regarding Japanese firearms?

In the US, the symbol is often called 'Mum', likely a mispronunciation or shortening of 'Chrysanthemum'. The correct Japanese term is 'Mon', which loosely translates to 'pattern' or 'symbol'.

Do intact 'Mon' symbols increase the value of Japanese rifles?

Yes, firearms that retain an intact Imperial Chrysanthemum Seal often command a premium among collectors. This is because they were not defaced after leaving army service, indicating a more direct lineage from the military.

More from C&Rsenal

View all →