Diocletian. As Senior Augustus, A.D. 305-311/2. Æ follis. 9.95 gm. 28 mm. Abdication issue. Ticinum mint, 1st officina. Struck circa A.D. 305. His laureate bust right, wearing imperial mantle, holding olive branch and mappa; D N DIOCLETIANO FELICISSIMO SEN AVG / Providentia standing right, extending hand to Quies standing left, holding branch and leaning on scepter; PROVIDENTIA DEORVM QVIES AVGG around, P T in exergue. RIC VI 57a. Good Extremely Fine; sharply struck on a broad flan; glossy brown patina. Choice example.