Tank and Armored Car Shooting Noncommissioned Officer's Badges/戰車装甲車射撃下士官徽章

Special NCO's Badge /特別徽章/

Formally only star, cannon and machine gun should be gilded https://asiamedals.info/threads/japanese-tank-and-armored-car-shooting-badges.27336/

 

Ordinary NCO's Badge /普通徽章/

Different stamp and unlike previous badge this one is all-stamped (i.e. army star is not a separate part of the badge).