Silver tetradrachm, 29mm, 16.91gm, issued 145/144 BC
Obv: Head of Athena Parthenos right wearing crested helmet.
Rev: AΘE ΔΩ ΛYΣIA (EP in ex.), Owl standing facing on amphora inscribed E, ΠA monogram to left, fore part of horse to right, all within wreath.
References: Sear 2555, HGC 1602.
Broad flan, double struck reverse.