A gem-set coin pendant, set with a Taranto silver didrachm, depicting a man riding a dolphin, likely Taras, Son of Poseidon, the reverse with a Tarentine horseman, shown crowning himself with a laurel wreath, within a gold frame accented with a sapphire cabochon and round brilliant-cut diamonds, gross weight approximately 20.00 grams, mounted in 18ct gold, length 4.30 cm.