Helmeted bust right of Roma or Minerva right wearing bulla or pendant
Reverse
Fantastic creature (gryllus) with the head of a horse, legs of a rooster, mask of Silenus on the right side, and a ram's head on the left; sceptre behind.
Reference
Rostowzew, M. (1903). Tesserarum urbis romae et suburbi. St. Petersburg., https://zenon.dainst.org/Record/000917434