Rare silver metal counter bell. Marked: "Without a deposited brand battery" and "patent sgdg" (Without government guarantee) Means that an invention patent has been filed for This object which was thus protected from the copy. In perfect working order. Era 1920-1930 To report: No worm screw No longer screws Traces of oxidation. Height: 5.2 cm Dimension to the widest: 13 cm.
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