HJB-Rare Septimius Severus, Cassandreia, AE20

193-211AD, AE20, Macedonia, Cassandreia, , 
4.04g. Lindgren-1042 (same obv. die). Obv: [IMP 
C] L SEP SEP (sic) AV[G] (beginning at 1 
o'clock) Bust laureate r. Rx: COL IVL AVG CAS 
(beginning at 5 o'clock) Head of Zeus Ammon r. 
Engraver's error SEP SEP instead of SEP SEV in 
obverse legend.