I bought this coin last year and had forgotten all about it. I stuck it in a tray before processing it and then I got several large groups and only months later "found" this one.
Diocletian
A.D. 305- 307
26x28mm 9.9g
D N DIOCLETIANO FELICISSIMO SEN AVG; Laureate and mantled bust r., holding olive-branch and mappa.
PROVIDENTIA DEORVM QVIES AVGG; Providentia standing r., extending hand to Quies standing l., holding branch and leaning on scepter.
RIC VI London 77a