Sent for ID: Mark Replied:
Nice late 2nd century piece – Commodus, 177-192 AD. AR denarius
Obverse, M COMM ANT P FEL AVG BRIT P P. laureate head right.
Reverse, SEC ORB P M TR P XIIII COS V; in ex, DES VI – Securitas seated left holding globe.
Mint of Rome, 189 AD.
RIC III 190; RSC  695; SRCV 5694.
It’s a common type, but this is a very nice find, comparatively speaking. It should turn out very attractive with some careful cleaning. Mark

Obverse: M COMM ANT P FEL AVG BRIT P P. laureate head right
Reverse: SEC ORB P M TR P XIIII COS V; in ex, DES VI - Securitas seated left holding globe
Mint: Rome