Valerian I AE tetradrachm of Alexandria, Egypt. Dated Year 3. AD 255-256. 23 mm, 10.79 g. 

A K P LI OVALERIANOC EV EVC, laureate and cuirassed bust right.
L Gamma to left of Eirene standing left, holding olive branch and sceptre.

Milne 3888-3889; Geissen 2859; Dattari 5150. 

With permission of Naville Numismatics Ltd. - Auction 57, Lot 350, April 2020.