AR Tetradrachm [32,23 mm; 17,18 gm]. Amphipolis mint. Struck circa 274/1-260/55 BC. Horned head of Pan left, lagobolon behind, in tondo of Macedonian shield / BAΣIΛEΩΣ ANTIΓONOY, Athena Alkidemus advancing left, holding shield decorated with aegis on left arm, brandishing thunderbolt held in right hand; crested Macedonian helmet to inner left, T I  to inner right.  I.L. Merker, The silver coinage of Antigonos Gonatas and Antigonos Doson, ANS MN 9, 1960, pp. 46. Toned gVF.