A worker examines a new British one pound coin during production at The Royal Mint in Llantrisant, U.K., on Thursday, March 23, 2017. Britain's Royal Mint is making 1.5 billion new one pound coins, which will enter circulation on Tuesday, with security features such as a unique 12-sided, bimetallic design, a hologram, fine lettering and some secret tricks to beat crooks. Photographer: Jason Alden/Bloomberg via Getty Images