Probus, Ruled 276-282 AD
AE20 Tetradrachm, Alexandria, Egypt
Struck Year 2, 276-277 AD
Obverse: A K M AVP ΠPOBOC CЄB, Laureate and cuirassed bust right.
Reverse: Eagle standing left on thunderbolt, wings closed, head turned back with wreath in beak, regnal year L B (year 2) across fields.
References: Köln 3126; Dattari 5552; Milne 4546; Emmett 3984
Size: 19.5mm, 7.08g