BITHYNIA. Calchedon. Ca. 387-340 BC. AR tetradrachm or stater (24mm, 15.11 gm). NGC Choice XF 4/5 - 3/5, edge scuff. Rhodian standard. KAΛX, bull standing left on grain ear; YT monogram before / Quadripartite incuse square with stippled surfaces. SNG von Aulock 486. HGC 7, 509. Lovely dark patina in the recesses with argent light flashing across the bold high points. Ex Roma Numismatics Ltd., E-Sale 24 (30 January 2016), lot 199. HID09801242017 © 2023 Heritage Auctions | All Rights Reserved