AR Tetradrachm [32,49 mm; 15,54 gm]. Reduced standard. Pella mint. Circa. 173-171 BC. Diademed head of Perseus right / ΒΑΣΙ-ΛΕΩΣ / ΠΕP-ΣΕΩΣ, eagle standing right on thunderbolt, wings spread; Φ above, AY monogram to right, AN monogram between legs, all within oak wreath, plow right below. Mamroth, Perseus, 24. aEF.