Constantine I, AE follis of Siscia. 311 AD. 25mm, 5.75 gr.

IMP CONSTANTINVS PF AVG, laureate head right
IOVI C-ONS-E-RVATORI, Jupiter standing left, chlamys hanging
from left shoulder, holding thunderbolt and sceptre, eagle 
with wreath in beak at foot left
Gamma in right field.
Mintmark SIS.

RIC IV Siscia 222c, Sear 15934. Unlisted reverse breaks.
In the collections of Helvetica and Grzegorz Chladek

Contributed by Grzegorz Chladek, Oct. 2013.