RT80425. Billon follis, RIC VI Siscia 184a, Choice VF, Siscia (Sisak, Croatia) mint, weight 8.959g, maximum diameter 27.1mm, die axis 180
o, as caesar, May 305 - 306 A.D.; obverse FL VAL SEVERVS NOB C, laureate head right; reverse
PERPETVITAS AVGG, Roma, helmeted, seated left on shield, in right Victory on globe, in left spear, VI right, SISΓ in exergue;
nice green patina, good centering;
very rare reverse type;
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