AE 17 mm, 4.92 g, 12h, Sardis mint before the revolt of Hierax
SC 660.2 var. unlisted control marks pairing. Primary control of 660.2 on left and secondary control of 660.3b on right.
O: hd of Athena r with crested Attic helmet
R: Apollo stg l testing arrow and resting l hand on grounded bow, BAΣΙΛΕΩΣ ΣΕΛΕYKOY, c/m of an anchor in an oval punch at between 9 and 11 o'clock on the center left.