Watch List notes:

Gallienus. AD 253-268. Antoninianus (21mm, 4.05 g, 12h). "Animal/ Mythical" series. Rome mint, 6th officina. 10th emission, AD 267-268. Radiate head right / Capricorn right; ς. RIC V 245; MIR 36, 732b; RSC 667. Black surfaces, slightly clashed dies. Near EF.

Ex Chris Blom Collection; Reportedly Sir Charles Oman Collection (Christie's, 2 July 1968), lot 157 or 164 (part of).