Watch List notes:

Diocletian (Senior Augustus, 305-311/2). Æ Half Follis (22mm, 2.66g, 11h). Alexandria, AD 308. Laureate and mantled bust r., holding olive-branch and mappa. R/ Providentia standing r., extending hand to Quies standing l., holding branch and leaning on sceptre; Γ//ALE. RIC VI 93a. Porous, near VF