silver tetradrachm cufflinks

A fine pair of neo Greek silver cufflinks in the form of tetradrachm coins used in the 400 BC in Ancient Greece and representing Athena on one side and her attribute a wise owl on the other side, marked with French silver marks for medaillons, France.

diameter large coin: 2 cm.
diameter small coin: 1.2 cm.
weight: 19.4 grams.