Party pin by Schwertner & Cie "M1/155"
Party pin by Schwertner & Cie., Eggenberg bei Graz. Tombac construction with soldered on safety needle and enameled surface. Maker marked with the RZM code of S&C "M1/155" on the reverse. Uncommon opaque variant with non-transparant enamel. Good condition with light traces of age. No repairs, no damage.