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, cult statue of Minerva from the Temple of Jupiter Optimus on the Capitoline Hill in Rome standing left with spear (M4).
RIC 692 (C2), BMC 168, RSC 259.
Ex Tater the Cat.