Originally Finnish Army NCO graduation badges.
All conscripts who wish to have NCO rank, must pass the NCO school, after graduation, they serve and train as squad leaders for conscript troops, or apply to the Reserve Officer School for further studies on the mid school. After service best of the corporals are promoted to the rank of sergeant or in extremely rare cases of superior deeds and service to the rank of staff sergeant ( few times in 100 years ), NCOs are said to be the backbone of soldiers, and regulars. Minimum requirement for service in Finnish army is NCO school.
All are in fine condition, some storage scratches are possible. We got these from a discontinued garrison.
Material: metal, gilt
Fastener: butterfly clasp