AR Denarius (20mm, 3.23g, 6h). Rome mint, struck Jan 1 - c. Sept 15, 87 (First Issue).
IMP CAES DOMIT AVG GERM P M TR P VI, head laureate right; IMP XIIII COS XIII CENS P P P, Aventine Minerva cult statue standing right, with spear and shield (M1).
RIC 504 (C), BMC 101, RSC 217.
I am including this duplicate because it is a perfect die match to my prime example.