A GEM!
AE As (28mm, 9.81g, 6h). Rome mint, struck 86, interstitial issue, cgjui.
IMP CAES DOMIT AVG GEM COS XII CENS PER P P, head laureate right, with aegis; VICTORIAE AVGVSTI, S C in field, Victory standing left, inscribing shield set on trophy to left, and holding palm.
RIC 498 (C*) var, obverse inscription GEM.
Ex Ingemar Wallin Utveckling AB.