AR Denarius (19mm, 3.14g, 6h). Rome mint, struck c. Sept 16 - Dec 31, 81 (Commemorative Issue, RIC's "Group 1").
IMP CAESAR DOMITIANVS AVG, head laureate right; TR P COS VII, dolphin entwined around anchor--describing festina lente, Σπεῦδε Βραδέως, "Make haste slowly," the motto, originally, of the emperor Augustus.
RIC 2 (R), BMC 3, RSC 551.
Ex Harlan Berk.