Watch List notes:

Egypt, Alexandria. Diocletian. A.D. 284-305. BI tetradrachm (20.6 mm, 8.46 g, 11 h). Dated RY 1 (A.D. 284/5). A K Γ OVA Λ ΔIOKΛHTIANOC CЄB, laureate and cuirassed bust of Diocletian right / Eusebeia (Pietas) standing facing, head left, sprinkling incense over small altar and holding box of incense; in field left, LA ( = yr. 1 = A.D. 284/5 ) . Emmett 4052. Good VF, flan crack7:00-8:00 does not overly detract.

Ex Leo Hamburger 1890's.

This coin comes from a large group of Roman Provincial, Byzantine and Vandalic coins which were part of Leopold Hamburger's inventory. More information on Mr. Hamburger can be found here:https://www.coinbooks.org/v20/esylum_v20n42a19.html