Greek Coins. Bithynia, Kalchedon
Tetradrachm 387-340, AR 21 mm, 15.16 g KAΛK Bull standing l. on corn-ear; before, caduceus and star. Rev. Quadripartite incuse square, with stippled surface. SNG BMC Black Sea 96. Recueil General 12.
Rare. Light tone and good very fineδδδδδδEx Gorny & Mosch sale 147, 2006, 1437. From a European collection.