Komana, Pontos, AE19, semi-autonomous issue, Dated year 23 (AD 56-57). 6.55 g. 

Radiate head of Helios right.
G-K KO-MA N-WN, date and legend in three lines to left and right 
of club, all within wreath. 

RPC I 2161; RecGen 7.1; Prowe . 

With permission of Numismatik Naumann, Oct 2015.