1960s Mongolian Military Academy Graduation Rhombus BadgeOne of the earliest and most prestigious military graduation badges from the 1960s, this rhombus was awarded to cadets upon successful completion of a four year officer education program at a Mongolian military academy during the socialist era. With its layered enamel design and prominent state emblem, this very rare piece represents Cold War era academic excellence and military tradition. An essential addition for serious collectors of early