Size 35 mm.
Weight 8.7 g.
Obverse
記念 - Commemorative
reverse
奉祝紀元二千六百年 - 2600th [anniversary of the founding of the Empire] Celebration = 1940
牡丹江満鉄道場落成記念 - Mudanjiang (a prefecture-level city in Heilongjiang) [South] Manchurian Railway Completion Commemorative
In the center of obverse
Emblem of Manchukuo Railway General Administration Bureau that was in use until 1938
around the emblem
愛護鉄路 - Railway Protection
reverse
愛護鉄路章 - Railway Protection/Security Badge
Obverse
Latin phrase
Mens sana in corpore sano = A healthy mind in a healthy body
reverse
南満運動會 - South Manchurian [Railway] Sport Association
大正四年九月 - September 1915
1915 southmanchurian watch fob
1915年南満運動会章
mens sana in corpore sano badge
mens sana in corpore sano medal
southmanchurianrailwaybadgesouthmanchurianrailway sport association badgesouthmanchurianrailway watch fob
南満州鉄道章
南満運動会章
大正四年九月南満運動会章
Reverse
昭和十二年六月 - June 1937
警友會記念 - Friends of Police Force Association Commemorative
満鐵自衛隊 - Mantetsu /South Manchurian Railway/ Self-Defense Force https://asiamedals.info/threads/badges-watch-fobs-and-other-artefacts-of-south-manchurian-railway.22805
Marked 純銀 - pure silver.
Obverse
Emblems of japanese newspapapers Osaka Mainichi Shimbun and Tokyo Nichi Nichi Shimbun near the suspension ring.
In the center emblem of South Manchuria Railway.
reverse
日満綴方使節 - Japan-Manchukuo Tsudurikata Envoy
[ 綴方 /つづりかた/ tsudurikata - (way of) literary composition...