Watch List notes:

IONIA, Ephesus. L. Sempronius Atratinus. Quaestor, circa 42-39 BC. AR Tetradrachm (25mm, 12.70 g, 6h). Cistophoric series. Cista mystica with serpent; all within ivy wreath / Bowcase with serpents; monogram above, Q to left, torch to right. Metcalf, "A note on the later Republican cistophori," SNR 88 (2009), pp. 205-8; SNG von Aulock 1867. VF, metal flaws.

From the RBW Collection.