320-321 AD., Constantinus I, Siscia mint, Æ3 / Follis?, RIC 159.

Constantinus I (Constantine), Siscia mint, officina 5, 320-321 AD.,
Æ3 / Follis? (ø 18-19,5 mm / 3,07 g), bronze, axis about coin alignment ↑↓ (ca. 200°),
Obv.: CONSTAN - TINVS AVG , his laureate head facing right - son buste lauré à droite.
Rev.: D N CONSTANTINI MAX AVG / VOT / XX // Є SIS * , around and within laurel wreath - couronne de laurier entourant l’inscription VOT / XX, Є SIS * à l’exergue.
RIC VII, p. 434, no. 159 (scarce) ; 83 pieces of RIC 159 on http://www.nummus-bible-database.com , 14-15 from officina 5 .