RIC 759 is listed as IMP C PROBVS INV AVG, and with slightly
        different reverse type; not in Alföldi.
        
        The coins below are probably RIC 759 corr. but that requires
        further verification
        against the specimen quoted by Webb, allegedly in the BM.
| Not listed in RIC; Alföldi
                  type 66, n° 1; Siscia. Bust type C, (A). Denomination:
                  Antoninianus. | 
| OBV.: IMP PROBVS INV
                    AVG Radiate, draped and cuirassed bust right, seen from back. REV.: SECVRITAS PERPETVA Securitas standing left, leaning on column, legs crossed, holding long sceptre in right hand. Mintmark: In right field Δ // XXI Weight: 3.94 g. Image provided courtesy of Philippe Gysen | 
| Not listed in RIC; Alföldi
                  type 66, n° 2; Siscia. Bust type C, (A). Denomination:
                  Antoninianus. | 
| OBV.: IMP PROBVS INV
                    AVG Radiate, draped and cuirassed bust right, seen from back. REV.: SECVRITAS PERPETVA Securitas standing left, leaning on column, legs crossed, holding long sceptre in right hand. Mintmark: In upper right field Δ // XXI Weight: 3.67 g. Image provided courtesy of Philippe Gysen | 
| Not listed in RIC; Alföldi
                    type 66, n° 3; Siscia. Bust type C, (A). Denomination:
                    Antoninianus. | 
| OBV.: IMP PROBVS INV
                      AVG Radiate, draped and cuirassed bust right, seen from back. REV.: SECVRITAS PERPETVA Securitas standing left, leaning on column, legs crossed, holding long sceptre in right hand. Mintmark: In left field Δ // XXI Weight: 3.1 g. Image provided courtesy of Angel Borisov. |