Caracalla, AE of Ankyra, 2.62 g. 

ANTWNINWC AVGOV, laureate head right.
MHTROP ANKYRAC dot, prize crown with one palm branch. 

SNG Fitz. 5391; SLG Tochon 745; BMC 27 var.

Courtesy of Helios Auction 5, March 2011