Watch List notes:

EGYPT, Alexandria. Diocletian. AD 284-305. Potin Tetradrachm (20.5mm, 7.22 g, 11h). Dated RY 8 (AD 291/292). Laureate head right / Athena Nikephoros seated left, holding spear; shield below; L H (date) across fields. Köln 3253; Dattari (Savio) 5641; K&G 119.72; Emmett 4032.8. Red-brown patina with traces of green. VF.

From the Rocky Mountain Collection of Alexandrian Coins. Ex Pegasi MBS XXIV (5 April 201l), lot 260.