Nikopolis ad Istrum in Moesia Inferior, 218 AD., Diadumenianus Caesar, 4 Assaria, Pick 1800.

Nikopolis ad Istrum in Moesia Inferior, Diadumenianus Caesar, issued under Legate Agrippa, 218 AD.,
Tetrassarion / Æ 27 (24-26 mm / 11,06 g),
Obv.: M OΠЄΛΛI ΔI - AΔOVMЄNIANOC K , bare-headed, draped, and cuirassed bust of Diadumenian right, seen from behind.
Rev.: YΠ AΓPIΠΠA NIKOΠOΛITΩN ΠPOC ICTPΩ , Nike standing to r. in profile, her raised wings at left, her palm visible behind her body, raising a wreath in her r. hand.
Pick (AMNG) 1800 (6 pieces listed) .
http://www.diadumenian.com/Die%20tables%20nicopolis%204%20assaria.html obcerse die 10 / reverse die without field inscription
http://www.diadumenian.com/nicopolis%20nike%20palm.html
http://www.forumancientcoins.com/ayiyoryitika/PontianusAgrippaDies.html obcerse die W / same dies as http://www.forumancientcoins.com/ayiyoryitika/PontAgrAssets/R21-DSCN3343.jpg