Watch List notes:

The Roman Empire
Marcus Aurelius augustus, 161 – 180

Denarius 176-180, AR 3.34 g. M ANTONI – NVS AVG Laureate, draped and cuirassed bust r. Rev. COS – III P P Mars standing r., holding spear and leaning on shield. C 147 var. (laureate only). BMC 688.
RIC 419. Light iridescent tone and extremely fine

Very expressive portrait style. AMP.