Watch List notes:

Trajan Æ Semis. Struck in Rome for circulation in Syria, AD 116. IMP CAES NER TRAIANO OPTIM AVG GER DAC PARTHICO, radiate bust right, slight drapery at neck / [P M TR POT] XX COS VI PP, oak wreath with ties, large S•C within. McAlee 523a; RPC III 3664; RIC 659. 2.59g, 20mm, 6h.

Very Fine. Extremely rare bust variant.