Imperial Japan Navy Commemoration Day Badges (a.k.a. Rising Sun Flag Badges)/海軍記念日章

In the Empire of Japan, Navy Commemoration Day /海軍記念日, Kaigun Kinen'bi/ was celebrated on May 27. It was established in 1905 to commemorate the Battle of Tsushima and was abolished in 1945 after Japan's defeat in the WW2.
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Navy commemoration day posters.

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決戰下 - Above the Decisive Battle
輝く海軍記念日 - Shining Navy Day

無條約第一年 海軍記念日 - First Navy Commemoration Day with No Treaty Obligation /1936/
海軍省 - Ministry of the Navy

輝く紀元二千六百年 - Shining 2600th Year of Imperial Era /1940/
海軍記念日 - Navy Commemoration Day

Navy Day celebration in 1944.



Ministry of the Navy Badge.

Quite often the original paper wrappings for these badges became lost and badges become unidentifiable.

記念 - Commemorative

海軍省 - Ministry of the Navy

One of the main manufacturers of these badges was the Ikoma workshop in Osaka https://asiamedals.info/threads/badges-marks-and-history-of-ikoma-workshop.20961

大阪 生駒時計店謹製 - Made by Ikoma Watch Shop, Osaka

 

Osaka Regional Navy Personnel Department Watch Fob.

Original pocket

記念 - Commemorative

大阪地方海軍人事部 - Osaka Regional Navy Personnel Department

大阪 生駒時計店謹製 - Made by Ikoma Watch Shop, Osaka.

 

Small Boats Competition Commemorative Badge.

Rare variation from a personal collection.

Reverse

海軍記念日 - Navy Commemoration Day

短艇競技大會記念 - Small Boats Competition Commemorative

 

2597 /1937/ Badge.

Reverse

2597 = 1937

Marked with Ikoma workshop mark 生 /for 生駒 - Ikoma/ and 純銀 - pure silver.

 

2599 /1939/ Badge.

Reverse

2599 = 1939

Marked with Ikoma workshop mark 生 /for 生駒 - Ikoma/ and 純銀 - pure silver.

 

Another example of 1939 badge.

Size 20 x 15 mm.

Marks.

 

2602 /1942/ Badge.

Typical late-war badge made in light alloy and paint instead of a silver and hot enamel.

 

1941 Water Training Tournament Badge.

Reverse

紀元二千六百一年 - 1941

第三十六回 海軍記念日 - 36th Navy Commemoration Day

水上錬成大會 - Water Training Tournament

 

30th Anniversary of the Tsushima Battle Commemorative Badge from Dalian City Hall/日露海戦歴戦記念昭和十年大連市役所海軍記念日章

Obverse 日露海戦 - Russo-Japanese Naval Battle (i.e. Tsushima Battle) 歴戦記念 - Long Military Service reverse 昭和十年 - 1935 第三十回 - 30th 海軍記念日 - Navy Day (In the Empire of Japan, Navy Anniversary Day/海軍記念日 - Kaigun Kinen'bi was celebrated on May 27 from 1906 until 1945. It was established in...

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