British Museum
Great Russell Street
London
England
WC1B
GB
Coins; Ruler: Constantine IV; Period: Early Byzantine Period; circa: 654-685; Minted in: Sicily, Italy. Weight: 1.47 grammes. British Museum is closed 24, 25 and 26 December and 1 January, but is open every other day of the year. Fast facts about the British Museum: Founded: 1753, Collection size: 8 million objects, Oldest object in the collection: Stone chopping tool (nearly 2 million years old).