Watch List notes:

TROAS. Achaion. Late 4th-early 3rd century BC. AE (Bronze, 9 mm, 0.92 g). Crested Pseudo-Attic helmet left. Rev. Monogram of ΑΧ. A. Ellis-Evans: The Coinage and History of Achaiion in the Troad, in: REA 119 (2017), p. 26, Issue 1. SNG Copenhagen 64 ('Achilleion'). Rare. Very fine.