Diocletian. As Senior Augustus, A.D. 305-311/2. Æ follis (27 mm, 10.51 g, 6 h). London, A.D. 305-307. D N DIOCLETIANO FELICISSIMO SEN AVG, laureate bust of Diocletian right, wearing imperial mantle, holding olive branch and mappa / PROVIDENTIA DEORVM QVIES AVGG, Providentia standing facing, head right, receiving olive branch from Quies standing facing, head left, holding scepter. RIC 77a. Dark brown patina. Striking weakness on obverse right edge, otherwise extremely fine.