Gallienus AE medaillon, ca. 266-267 AD, Siscia. 4.81 g. 

GALLIENVS AVG, head of Gallienus right, wearing lionskin. 
PACATOR ORBIS, radiate, draped bust of Sol right. 

RIC- . Cohen- . Goebl - . Gnecchi- . Toynbee- .
Helios auction 5, lot 410

Gilded in antiquity.

With permission of Helios Auction 5, June 2010, lot 410.
Added in Aug. 2011.