EGYPT, Alexandria. Diocletian. AD 284-305. Potin Tetradrachm (21mm, 8.26 g, 12h). Dated RY 1 (AD 284/285). Laureate and cuirassed bust right, seen from the front / Eusebeia standing facing, head left, holding an incense box with her left hand and sprinkling incense over an altar with her right; L A (date) to upper left. Köln 3204 Dattari (Savio) 5692; K&G 119.5; Emmett 4052.1. Brown patina with red highlights, edge chip. Near VF. Very rare.
From the Rocky Mountain Collection of Alexandrian Coins.
Emmett lists this type and year as common (R1) but only four are recorded at CoinArchives.