Constantine II (337-340 A.D.) -  AE4 - 14.26mm, 1.63gr
Obverse - VIC CONSTA-NTINVS AVG
Constantine II, his laureate (with rosettes) and
cuirassed bust right.
Reverse - VIRTVS AVGVSTI,
Constantine standing right, helmeted, holding inverted spear
and leaning on shield.
RTP in Exergue
Constantine II
Minted in Rome between 337 and 340 A.D.
Reference:
Kent, J.P.C., "Roman Imperial Coinage", Vol. 8 (RIC), Rome, p249, nr. 4, variety with RTP instead of R leaf P mintmark?
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p333, nr. 3957, variety with RTP mintmark?
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 389CII
Carson, Hill, & Kent, J.P.C., "Late Roman Bronze Coinage",  Part I, p15, .nr 580, with RTP instead of  R leaf P mintmark?
Van Meter, D., "Handbook of Roman Imperial Coins", p296, nr. 49
Quality: Fine+