Watch List notes:

EGYPT, Alexandria. Salonina. Augusta, AD 254-268. Potin Tetradrachm (24mm, 12.55 g, 12h). Dated RY 6 of Valerian I & Gallienus (AD 258/259). Draped bust right, wearing stephane / Eagle standing left, head right, holding wreath in beak; L ς (date) across field. Köln 2964; Dattari (Savio) 5321; K&G 91.20; Emmett 3747.6; Kellner p. 133, pl. 15, Abb. 4 (this coin). Lightly toned, some minor porosity. VF. Fully silvered and rare as such.

Ex A.K. Collection (Triton XXIII, 14 January 2020), lot 835 (part of); purchased privately by A.K from Münzen und Medaillen AG, 1970.