IONIA, Smyrna. Late 2nd-early 1st centuries BC. AR Tetradrachm (27mm, 12.57 g, 6h). Cistophoric standard. Dated CY 6 (96/5 BC [?]). Cista mystica, from which serpent emerges, within ivy wreath / Two serpents entwined around bow and bowcase; monogram above, C (date) to upper right, ZMYP to left; to right, turreted head of Tyche right. Unpublished. Lightly toned, traces of find patina, a few light marks, a couple spots of roughness on obverse. Good VF. Unique example dated to year 6 at Smyrna.
See Carbone, pp. 188–9, for a discussion of the dating of the cistophoric issues at Smyrna.