Rare variety, in the Varbanov catalog with rarity level of R5.
Roman Provincial
Moesia Superior, Viminacium, Herennius Etruscus (251), AE AN XII = 250/251, Viminacium mint
Obverse: bare, draped and cuirassed bust right
Q H ETR MES DEC CAES
Reverse: Moesia standing left between bull and lion, ANXII in exerque
P M S COL VIM
Diameter 26 mm, weight 13.27 g