Historical information
standard for all services in the 1950's and 1960's mass produced moulded tin.
Significance
ear protection as issued to all personal
Physical description
Khaki painted tin, hinged lid written instructions in lid, diagrammatic instructions in base in black lettering.
Inscriptions & markings
Protectors ear drum (aust.) MK1 M Large on outside of lid. For inscription of internal markings refer to photo's of inside of tin.