Antoninus Pius, AE20 of Nikopolis ad Istrum, Moesia. AD 138-161). 6.39g. 

AYT AI ADRIA ANTWNEINOC, laureate head right.
NEIKOPOLEITWN, Artemis standing right, holding bow and
reaching for an arrow from the quiver behind her shoulder.

Varbanov 2118; AMNG 1222; Moushmov 873.

With permission of London Ancient Coins, Dec. 2015.