Londinium was a settlement established on the current site of the City of London around AD 43. Its bridge over the River Thames turned the city into a road nexus and major port, serving as a major commercial centre in Roman Britain until its abandonment during the 5th century.

Constantine I Hover to enlarge Constantine I

Constantine I
Londinium mint
310 to 312 AD
AE Follis
Obvs: CONSTANTINVS PF AVG, laureate and cuirassed bust right.
Revs: CONCORD MILIT, Concordia standing half-left, holding two standards. Star to right, PLN in ex.
21x23mm, 4.55g
Order # RI 243
RIC VI 195