Two newspaper advertisements of this workshop from 1921.
サンボン商會 - Sambon company
Similar advertisement from June 1921.
サンボン商會 - Sambon company
Similar advertisement from June 1921.
Badges of Sanbon Company, Tokyo/サンボン商會
The workshop manufactured badges of Army & Navy Officer's Wives Association
長野県連合消防 - Nagano Prefecture Union Fire Department
同盟会功労章 - Association/Alliance Merit Badge
Label.
Aviation Industry Women Supporters Association Badges/航空事業婦人後援會章
Obverse 航空 - Aviation Original case. Badge was made by Sanbon workshop in Tokyo https://asiamedals.info/threads/badges-of-sanbon-company-tokyo-sanbon.20409/ Thanks to original insert we now know that this is a membership badge of Aviation Industry Women Supporters Association/航空事業婦人後援会.
asiamedals.info
Fire-brigade badge.
