Macedonia, Antigonus Gonatas. Tetradrachm; Macedonia, Antigonus Gonatas; 277-239 ?C. Amphipolis, c. 274/1-260/55 BC, Tetradrachm, 17.15g. SNG Cop-1199, SNG Berry-350, AMNG-pl. XXXIV.3. Obv: Horned head of Pan l., lagobolon over shoulder, on boss of Macedonian shield. Rx: Athena Alkidemos advancing l., brandishing thunderbolt and holding shield decorated with aegis and bearing small facing head of Pan; ??S???OS to r., ????Go?o? to l., crested Macedonian helmet in inner l. field, H? monogram in inner r. field.Excellent for issue. Perfectly centered. EF