Watch List notes:

Kingdom of Mauretania, Ptolemy AR Denarius. Caesarea, dated RY 20 = AD 39/40. REX PTOLEMAEVS, diademed and draped bust right / Square altar, bedecked with garlands and a wreath on front; PIET-ATI to left and right, RΛ-XX (date) above wreath and in exergue. Mazard 429 corr. (date illegible); MAA 350 (same); SNG Copenhagen -. 1.91g, 15mm, 6h.

Near Extremely Fine; deep old cabinet tone. Extremely Rare; no other examples on CoinArchives, and apparently the first example to show the complete date.

From a private French collection.