Septimius Severus, AE20 of Cassandrea, Macedonia.

Obv: laureate, draped, cuirassed bust right.
Rev: COL IVLI AVG CASS, bearded head of Zeus Ammon right 
with ram's horn.

SNG Evelpidis 1212; Moushmov 6319; Varbanov 3361.
Scarce.

Münzen & Medaillen GmbH (DE), Auction 13 (09.10.2003), lot 87. Sold for 80 Euros (ca $94)
J.-P. Righetti sale, part III
Courtesy of Münzen & Medaillen GmbH, Jan. 2011