These pieces will be the final ones bearing Elizabeth II’s portrait to enter circulation. The front, or heads side, of the coin features a portrait of the late Queen Elizabeth and the date 2022. The coin joins a raft of other rare £1 pieces, including the 2011 Edinburgh City coin that has sold for 95 times its face value. Other rare coins to keep an eye out for are the Atlantic Salmon 50p,How to spot rare coins and banknotesRare coins and notes hiding down the back of your sofa could sell for hundreds of pounds. You can spot rare notes by keeping an eye out for the serial numbers.