Kingdom of Mauretania, Ptolemy, AR denarius, 16 mm, 2.09 g. struck 23-40 AD. 

REX PTOLEMAEVS, Diademed head of Ptolemy right.
RA VIII, palm tree. 

Mazard 428; MAA 284; Mueller 183.

With permission of cngcoins.com, auction 359, Lot 129, Sept. 2015.