Watch List notes:

EGYPT, Alexandria. Diocletian. AD 284-305. Potin Tetradrachm (20mm, 6.85 g, 1h). Dated RY 7 (AD 290/291). Laureate head right / Zeus standing left, holding patera and scepter; eagle at feet; L Z (date) across fields. Köln 3250-51 Dattari (Savio) 5776; K&G 119.68; Emmett 4087.7. Red-brown patina. Good VF.

From the Rocky Mountain Collection of Alexandrian Coins.