Gallienus AD 253-268. Antoninianus (18-20mm; 2.13g; 12h) Rome, 9th officina, 10th issue. 267-268. GALLIENVS AVG Radiate bust to right. Rev. NEPTVNO CONS AVG Hippocamp to right; below, N.
Smaller head of Gallienus than previous coin.
C. 667; Cunetio 1392 (146 known); Holmes collection 269d; MIR 36, 743b (96 known); RIC V, I (sole reign) p. 152, 245; Wolkow 23a9 (C+).