Herennia Etruscilla, AE 29 of Kolophon. 249-251 AD.

EREN ETROVCKILLA CEB, diademed bust right on crecent
EPI STRAT L AGAQOKLECV KOLOFIW-NI-WN, boxer walking right. 

Milne 251; BMC 57. Rare.

Photo courtesy of John Jencek – www.ancient-coins.com
Sold for $375, 2007.