Brigade drummer proficiency advanced certificate badge 1921-1968

A scarce original 'Boys Brigade Drummers proficiency die-cast nickel badge' in shape of a drum with an additional red felt cloth 'Advanced Certificate Award' backing. Very good condition, retaining original tube joint vertical pin fitting and rounded catch.
Height 25mm.

Part lot of twenty badges worn by a Boys' Brigade member in late 1950's early 1960's.