PROBUS , ( 276 - 282 ) AE Antoninianus 

IMP CM AVR PROBVS AVG, radiate, cuirassed bust right.
AEQVITAS AVG, Aequitas standing left, holding scales and 
cornucopiae.
Gamma in right field.
Mintmark XXI

RIC V-2 Rome 150, rated Scarce.

Coin sold at 23/12/2004
GBP 29.03
USD 55.56
JPY 5791.01
AUD 72.77
RUB 1547.34
CAD 68.99
EUR 41.51

*AAH* Probus AE Ant "Equity" SCARCE 80% Silver