Watch List notes:

EGYPT, Alexandria. Valerian I. AD 253-260. Potin Tetradrachm (21.5mm, 10.01 g, 12h). Dated RY 2 (AD 254/5). A K Π ΛI OVAΛЄPIANOC ЄVЄV C, laureate and cuirassed bust right / Nike standing facing, head left, holding wreath and palm frond; L B (date) to lower left. Köln –; Dattari (Savio) 5162; K&G –; Emmett 3715.2 (R4) = Milne 3882. VF. Very rare type for this regnal year. Fully silvered and rare as such.

Ex Numismatic Fine Arts [XXIV] Fall Mail Bid Sale (18 October 1990), lot 2503.