BITHYNIA, Kalchedon. 357-340 BC. AR drachm (3,67 g). KAΛX, bull standing left; grain ear below; caduceus to left; monogram to left; A beneath bull / stippled quadripartite incuse square. Struck on an irregular smal flan. Nicely toned. Ex. Gitbud & Neumann Auction 38, lot 206. December 6th, 2015 Grade:01