D\IMP C ALLECTVS PF AVG; draped and radiate bust r.
R\ VICTORIA AVG, S-A / ML; Victory advancing r. with trophy
(pics taken from the seller).
this piece is not in RIC and dr. Sam Moorhead of British Museum said to me that there are only 4 specimens known for this type. One come from the Elveden Hoard and it is now at the BM: