Every badge has unique number and sometimes even more unique case.
No. 1688
Obverse
努力學习, 力邪卫保 - Study Hard, Strengthen the National Defense
中國人民解放軍軍事學院 - Chinese People's Liberation Army Military Academy
reverse
軍學紀念章 - Military Academy Commemorative Badge
Stamped number 1688...
1957年中国人民解放军军事学院敬赠留念纪念章
1957年中国人民解放军军事学院敬赠章
badge for the members of military delegations
chinese badge
chinese medal
chinese militaryacademybadgemilitaryacademycommemorativebadgemilitaryacademy of the people's liberation army
numbered chinese badge
original chinese badge
中國人民解放軍軍事学院旅增紀念章
纪念章
軍事代表团留念紀念章
軍學紀念章