AR Denarius (18mm, 3.28g, 6h). Rome mint, struck Jan 1 - Sept 18, 90, aggmm.
IMP CAES DOMIT AVG GERM P M TR P VIIII, head laureate right; IMP XXI COS XV CENS P P P, Capitoline Minerva cult statue standing left with spear (M4).
RIC 692 (C2), BMC 168, RSC 259.
Ex Tater the Cat.