Marcus Aurelius, AE18 of Metropolis, Ionia. 161-180 AD. 

Obv: Laureate and cuirassed bust right, seen from the back.
Rev: MHTROPO-LEITWN, Artemis standing right, drawing arroiw from quiver 
and holding bow in left hand; stag standing right before. 

Not in the usual sources. 
BMC Ionia -; SNG Copenhagen -; SNG von Aulock -; Lindgren -; SNG Munich 
-; SNG Tubingen -; Weber -; McClean -; Mionnet -. 
Apparently unpublished.

From the Garth R. Drewry Collection.

CNG Auction 110, Lot: 113. Estimate $75. Sold for $65. 
Used with permission of CNG coins, www.cngcoins.com, Nov. 2010