Ø 50 mm,
piece, stamped brass,
coated (gold, silver) or without (lacquered) bronze,
pin mounted or combined,
with or without enamel
Ø 32-35 mm
piece, embossed brass,
coated (gold, silver) or without (lacquered) bronze,
ear or planted in the body,
with or without enamel,
fixed - "butterfly" or safety pin