Watch List notes:

Kingdom of Mauretania, Ptolemy AR Denarius. Caesarea, dated RY 20 = AD 39/40. REX PTOLEMAEVS, diademed head right / Upright club; RA XX (date) across fields. Mazzard -, for type cf. 430-5; MAA -; CNG 103, 419; Roma E-68, 233 (same dies). 1.79g, 13mm, 7h.

Good Very Fine / Extremely Fine. Unpublished with this date and the third recorded example.