The coin isn't only rare but also struck in a very fine Flavian baroque style, in good metal and well centered. Even if it was common it would be outstanding.
Rome mint, 88-89 AD
RIC 651A, BMC -, RSC -
Obv: IMP CAES DOMIT AVG GERM P M TR P VIII; Head of Domitian, laureate, bearded, r.
Rev: IMP XV COS XIIII CENS P P P; Minerva stg. l., with thunderbolt and spear; shield at her l. side (M3)