AR Tetradrachm [26,12 mm; 17,19 gm]. Pella mint. Struck circa 289/8 BC. Diademed and horned head of Demetrios right / BAΣIΛEΩΣ ΔHMHTPIOY, Poseidon Pelagaios standing l. with foot on rock, holding trident at sides, two monograms. Newell 90. gVF.