Diocletian. A.D. 284-305. Æ follis (25 mm, 9.89 g, 11 h). Alexandria, ca. A.D. 300. IMP DIOCLETIANVS P F AVG, laureate head of Diocletian right / GENIO POPV-L-I ROMANI, Genius standing facing, head left, holding patera and cornucopia; XXI-Δ//ALE. RIC 30a. Brown patina with silvered surfaces showing much golden toning. Very fine.