AR Denarius (18mm, 3.27g, 6h). Rome mint, struck Sept 18, 90 - Sept 18, 91, yghaa.
IMP CAES DOMIT AVG GERM P M TR P X, head laureate right; IMP XXI COS XV CENS P P P, Aventine Minerva cult statue standing right, with spear and shield (M1).
RIC 719 (C2), BMC 176, RSC 152.
Ex Charles Coyle.