Watch List notes:

IONIA, Ephesus(?). L. Sempronius Atratinus(?). Quaestor, circa 42-39 BC. AR Tetradrachm (25mm, 12.17 g, 6h). Cistophoric type. Cista mystica with serpent; all within ivy wreath / Two serpents entwined around bow and bowcase; above, ATPA monogram; Q to left, lit torch to right. W. E. Metcalf, "A Note on the Later Republican Cistophori," SNR 88 (2009), pp. 205–8; Stumpf 2 (M. Antonius, c. 113/2); SNG von Aulock 1867. Minor porosity, well struck for type. Good VF.