Constantine I, AE follis, Trier. AD 319. 3.95 g.

CONSTAN-TINVS AVG, helmeted, cuirassed bust right.
VICTORIAE LAET PP, two Victories standing facing each other, holding a wreath inscribed VOT PR over an altar decorated with a star (Helvetica 5a).

Mintmark dot PTR.

RIC VII Trier 229 var (mintmark and altar decoration). 
Very rare, rated R5.

With permission of Dr. Busso Peus Nachfolger auction 380, Lot 937, Nov. 2004.