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Roman Republic, M. Herennius. Ca. 108-107 BC. AR denarius. 3.8 g.

PIETAS (TA in monogram form, diademed head of Pietas right.
M. HERENNI (HE in monogram), One of the Catanaean brothers running right, carrying his father. 
Dot over T in right field. 

Cr. 308/1b. Syd. 567a; RSC Herennia 1a; Sear 185.