Watch List notes:

KINGS of MAURETANIA. Ptolemy. AD circa 20/1-40. AR Denarius (13.5mm, 1.98 g, 10h). Caesarea mint. Dated RY 16, 17, or 18 (circa AD 35/6–38/9). Diademed and draped bust right / Club within wreath; traces of final digit(s) of date visible at lower edge. Cf. MAA 335, 343, or 346; Mazard 449, 450, or Mazard Suppl. III 449 bis; cf. SNG Copenhagen 660. Toned, extensive cleaning scratches, die breaks on reverse. Good VF. Very rare, none in CoinArchives.

From the D.M.K. Collection.