Watch List notes:

Mysia, Parion. 5th-4th centuries B.C. AR drachm (12 mm, 3.30 g). Facing gorgoneion / Incuse square punch with central pellet and linear pattern. SNG BN 1343-52. Lightly toned and a nice example of this often very crude type. Very fine. 

From the Maple Leaf Collection.