Egypt, Alexandria. Diocletian 284-305. Tetradrachm. (Billon, 19.40 mm, 6.67 g). Dated RY 8 = AD 291/2. ΔIOKΛHTIANOC CЄB Laureate, draped and cuirassed bust right. Rev. Athens seated left wearing Corinthian helmet, holding sceptre in her left hand and with her right holds a Nike handing her a crown; below throne, shield; in exergue A, referring to the first workshop of Alexandria mint; across field L H (date). Geissen 3253 var. Dattari-Savio Plate 282, 5642 (this coin). Emmett 4032. Rare. Extremely Fine. Ex Giovanni Dattari collection. Ex Naville Numismatics Ltd., Auction 48, 07.04.2019, lot 306. A tetradrachm of splendid preservation and excellent centring with an incisive portrait of Diocletian on the obverse and the warlike and victorious Athena enthroned on the reverse, indicating the hard times of the active safeguard of the borders of the vast empire in which the Senior Augustus Diocletian Jovius was a master.