Watch List notes:

Faustina Junior, wife of Marcus Aurelius, Augusta, 147-175. Denarius (Silver, 18 mm, 3.28 g, 11 h), Rome, circa 161-164. FAVSTINA AVGVSTA Draped bust of Faustina to right. Rev. DIANA LVCIF Diana Lucifera standing to left, holding long torch with both hands. BMC 87 (Aurelius). Cohen 85. RIC 674. Very well-preserved with a lovely portrait of the empress and fine, old toning. Minor die rust on the obverse, otherwise, extremely fine.

Apparently from an old European, possibly English, collection.