Watch List notes:

EGYPT, Alexandria. Tranquillina. Augusta, AD 241-244. Potin Tetradrachm (25mm, 13.29 g, 12h). Dated RY 6 of Gordian III (AD 242/3). Draped bust right, wearing stephane / Tyche standing left, holding rudder and cornucopia; L ς (date) to upper left. Köln –; Dattari (Savio) 4840; K&G 73.28; Emmett 3462.6. VF, dark brown patina with touches of green.

From the Collection of a Director. Reportedly ex Kunst und Münzen 13 (5 December 1974), lot 474.