Ancient coin reversible ring R275
22k gold and Sterling silver reversible ring set with a Bactrian period silver drachm of King Eucratides I (circa 171-145 BC).
For details see Wikipedia.
Front: Helmeted bust of king.
Back: Dioscuri riding horses, Greek legend.
François Villaret design.
Total weight: 8 gr. Gold: 3.05 gr, silver: 4.9 gr.
Internal circumference: 57 mm.