218CE Rome, Diadumenian AE3, Cista Mystica/Cult of Bacchus, Nikopolis Mint

Obverse

Bare head right, text around

K M OΠΠEL ANTONINOC

Reverse

Snake emerging left from Cista Mystica with raised lid, text around

NIKOΠOΛITΩN

Weight: 2.27g

Diameter: 15-17mm

Struck between Mid-May - 8th June 218CE