Diocletian. As Senior Augustus, AD 305-311/2. Æ Follis (24mm, 6.0 g,). Abdication issue. Antioch mint, 1st officina. Struck circa AD 309. D N DIOCLETIANO BAEATISSIMO SEN AVG, laureate bust right, wearing imperial mantle, holding olive branch and mappa / PROVIDENTIA DEORVM QVIES AVG, Providentia standing right, extending right hand to Quies standing left, holding branch and scepter; A//•ANTO.