This AE28 displays the reverse type SC surrounded by a wreath. The type frequently appears on Roman provincial coinage from Antioch, Syria - where Trajan wintered in AD 115 during a series of provincial rebellions shortly before he had decided to return to Italy.

Obv. Trajan laureate and draped bust right, AVTOKP KAIC NER TRAIANOC CEB
Rev. Wreath containing S. C.