Justin I, 518-527. Semissis (Gold, 21 mm, 2.14 g, 6 h), Constantinopolis. D N IVSTINVS P P AVG Pearl-diademed, draped, and cuirassed bust of Justin to right. Rev. VICTORIA AVGGG / CONOB Victory seated right, inscribing shield set on her knee; to left, star; to right, staurogram. DOC 3. MIB 4. SB 57. Heavily double struck on both sides and the flan bent and straightened, otherwise, good very fine.
This coin is a so-called flip-over double strike, meaning that the flan was not removed between two strikes but flipped over.