Watch List notes:

BITHYNIA, Kalchedon. Circa 210-195 BC. AR Tetradrachm (33.5mm, 16.85 g, 12h). In the name and types of Lysimachos of Thrace. Diademed head of the deified Alexander right, with horn of Ammon / Athena Nikephoros seated left, transverse spear in background; ΔI to inner left, grain ear and KAΛ in exergue. Marinescu Issue 55, 122 (O48/R111); Türkoğlu L02c; HGC 7, 528; Bement 896 (same dies). Toned, deposits. VF. Very rare.