Watch List notes:

Gallienus, sole reign 260 – 268. Quinarius, Mediolanum 266-268, Æ 1.80 g. GAL[LI]EN[VS] AVG Draped and cuirassed bust r., wearing lion skin headdress. Rev. PI[ET]AS AVG Pietas standing l., raising both hands; in l. field, altar. C –. RIC –. King –, cf. 1a (for obverse type). Göbl –.
Apparently unrecorded. A very interesting portrait, dark green patina
somewhat smoothed, otherwise about extremely fine