Macedonia, Demetrius Poliorcetes, 306-283 BC. Tetradrachm; Macedonia, Demetrius Poliorcetes, 306-283 BC; Amphipolis, c. 289-288 BC, Tetradrachm, 17.14g. Newell-124, Pl. VIII, 3. Obv: Diademed and horned head of Demetrius to r. in circle of dots. Rx: Poseidon standing l. with trident, placing l. foot on rock.. EF