Watch List notes:

BITHYNIA, Kalchedon. Circa 260-230 BC. AR Tetradrachm (30.5mm, 16.84 g, 11h). In the name and types of Lysimachos. Diademed head of the deified Alexander right, with horn of Ammon / Athena Nikephoros seated left, left arm resting on shield, transverse spear in background; ΔI monogram to inner left; in exergue, grain ear left. Marinescu Issue 23, 56 var. (O21/R– [unlisted rev. die]); HGC 7, 524; CNG XXVII, lot 481 (same obv. die). VF, lightly toned, some roughness.

From the Michael Joffre Collection.