Egypt, Alexandria. Valerian I, 253-260. Tetradrachm (Billon fully silvered, 22.00 mm, 11.57 g). Dated RY 6 = AD 258/9. A K Π ΛI OYAΛЄPIANOC ЄY ЄY C Laureate, draped and cuirassed bust right. Rev. Eagle standing to left, head to right holding wreath in beak; L S (date) across fields. Dattari-Savio 5186. Emmett 3705.6. Scarce. Very Fine. Ex Fritz Rudolf Künker GmbH & Co., purchased in March 2008. Ex CNG Auction 463, lot 273 and ex Roma Numismatics Ltd., E-Sale 95, 13.04.2022, lot 736. Fully silvered tetradrachm of Valerian, featuring on the obverse a robust and realistic high-relief portrait of the emperor, struck just months before he was captured in 260 by Shapur I, king of the Sassanid Persians, who defeated him at the Battle of Edessa, deported him, enslaved him, and whose wretched end remains unknown.