Constantine I AD 306-337 AD. AE folles. London mint, struck AD 318-319. 

IMP CONSTANTINVS MAX AVG, cuirassed bust right, wearing laureate helmet. 
VICTORIAE LAETAE PRINC PERP, two Victories supporting shield inscribed VOT PR over altar decorated with a diamond.

Mintmark PLN. 
RIC VII London 157.

With permission of Eidmar auction 5, (on biddr.com), Nov. 2024.