Probus Potin Tetradrachm of Alexandria. Year 7=281/282 AD.
Con/ EF/EF; Dark brown, near black, glossy patina
Obv/ A K M AVΡ ΠΡOBOC CEB; laureate cuirased bust right
Rev/ Eagle standing left, head right with wreath in its beak, flanked by L-Z = year date.
Ref/ Milne 4640, Dattari 5555, Emmett 3984.