Trajan Decius, potin tetradrachm of Alexandria. 249-250 AD (Year 1). 13.34 g. 

A K G M K DEKIOC TRAIANOC EU, laureate, draped, cuirassed bust right.
L-A, Serapis, standing facing, head right, holding sceptre. 

Geissen - (vgl. 2814). Dattari 5088. BMC - . Milne - (vgl. 3786). 

Courtesy of Helios Auction 5, March 2011