1st variation "Large jetton with flat reverse".
Silver, gilt, enamel.
Size 32 х 40 mm (sans loop).
Marked with a St. Petersburg district assay office silver hallmark "alpha, female head in a kokoshnik to the right, 84" and maker's mark "ВД/VD" for Eduard workshop master Vladimir Yakovlevich...
imperialjapanairforcejettonimperial russian badge
imperial russian jettonjetton "plane inside a wreath"
jettonairforce strengthening special committee
jetton of airforce strengthening committee
жетон "самолёт в венке"
жетон императорской россии
жетон комитета по усилению военно-воздушного флота
жетон самолёт в венке
Obverse
優賞 - High Praise; Special Reward
reverse
紀元2600 - 1940
航整校 - Aviation School
第一教育隊 - 1st Educational Group
読売新聞社 - Yomiuri Shimbun
Yomiuri Shimbun is one of the five major newspapers in Japan https://asiamedals.info/threads/badges-and-watch-fobs-of-yomiuri-shimbun.29300/
1940
1st educational group aviation school award
imperialjapanairforce badge
imperialjapanairforcejettonimperialjapanairforce school badge
imperialjapanairforce watch fob
japanese army badge
紀元2600航整校第一教育隊優賞章