But even with the state it is in we can attribute it further.
Obv:- IMP C M AVR PROBVS P F AVG, Radiate, bust left in imperial mantle, holding scepter surmounted by eagle
Rev:- SOLI INVICTO, Sol in spread quadriga holding whip
Minted in Cyzicus
There is a CM in centre field and beneath that would be XXI with some other letter. This letter would be the workshop number.
The style is consistent with Emission 3 or 4 and thus we can date the coins to somewhere around A.D. 280 - 281
All this makes it attributable as RIC 911 Bust type H.
I have many of the type.
CM/XXIE

CM/XXIS
