Crispus, AE follis, Siscia. 18mm 2.2gm.

CRISPVS NOB CAESAR, laureate, draped & cuirassed bust lright
PRINCIPIA IVVENTVTIS, Crispus standing right in military dress, 
holding spear and shield.

Mintmark Gamma SIS.

RIC VII Siscia 39.
Rated R3.

Offered on ebay by " educationalcoin" for $45, Jan. 2014.