Valerian I, AE30, Ptolemais-Ake in Phoenicia. 253-260 AD. 13.63 g.

IMP CAES P LIC VALERIANVS AVG or similar, laureate, draped and 
cuirassed bust right.
COL-PTOL, sacred, leafless tree between two altars from 
which serpents arise; winged caduceus in right field. 

Kadman 246; Sear 4507; Rosenberg 82; Sofaer pl. 1, 276.

Heritage World Coin Auctions Signature Sale 3003, Lot 20565, March 2012.