As of March 2014 there were an estimated 1,553 million round # 1 coins in circulation, of which the Royal Mint estimated in 2014 that 3.04% (i.e. about 47 million) were counterfeit.
As of March 2014 there were an estimated 1,553 million round # 1 coins in circulation.3.04% (i.e. about 47 million) were counterfeit of circulation. This was what the Royal Mint estimated in 2014.