Marked with a Katoya Medal Company mark https://asiamedals.info/threads/badges-and-watch-fobs-made-by-katoya-medal-company-katoya.27093/ and 純銀 pure silver hallmark.
日本郵船株式會社 - Nippon Yusen Kabushiki Kaisha also known as NYK Line, is a Japanese shipping company that traces its history back...
japanese silver bonbonniere
katoya medal company
nippon yusen kabushiki kaisha
nyk line founding commemorative bonbonniere
silver case made by katoya medal company
かとや徽章商会
日本郵船株式會社
Tokyo-based workshop.
Known workshop labels.
Workshop ink stamp.
Workshop mark "hiragana syllable か inside the circle" /reads Ka for Katoya/ together with pure silver /純銀/ mark.
"Kanji 加 inside the circle" /reads Ka for Katoya/.
badge made by katoya medal company
japanese badge case label
katoya medal company
label of manufacturer of japanese badge
watch fob made by katoya medal company
かとや徽章商会
かとや徽章商會
Four stamps of this badge are currently known.
1st stamp variation.
Obverse
秩父宮殿下御閲團 - Corps Imperial Review by Prince Chichibu
記念章 - Commemorarive Badge
reverse
昭和九年五月十七日 - May 17, 1934
東京市聯合防護團 - Tokyo City Air Defense Corp Union (Alliance, Confederacy)
Another example of 1st...
1934 tokyo city combined air defense corp badge
air defense
air defense maneuvers badges
badge made by katoya medal company
imperial review by prince chichibu badge
japanese air defense badge
japanese badge
katoya medal company
かとや徽章商会
大日本帝国陸軍東京市連合防護團秩父宮殿下御閲團記念章
東京市聯合防護團秩父宮殿下御閲團記念章
陸軍東京市連合防護團記念章