Jul 29, 2019 · What to do with old pound coins. Unlike bank notes, UK coins are produced by the Royal Mint, who take no responsibility for coins that are no longer in circulation. However, most banks have said that they will accept old pound coins indefinitely, though you will need to be a customer of that particular bank.
During 1942, because nickel was needed for the war effort, Canada replaced the nickel 5 cent coin with one made of a brass alloy called Tombac. The new coins were 12-sided, making them even more distinctive. The new coins kept the beaver reverse and King George VI that was on the previous coins. The coins were struck only a single year.