Watch List notes:

MYSIA, Pergamum. L. Sempronius Atratinus. Quaestor, circa 42-39 BC. AR Tetradrachm (26mm, 12.50 g, 8h). Cistophoric series. Cista mystica with serpent; all within ivy wreath / Bowcase with serpents; monogram above, Q to left, serpent-entwined staff to right. Metcalf, "A note on the later Republican cistophori," SNR 88 (2009), pp. 205-8; SNG France 1766. Good VF, obverse off center.

From the RBW Collection.