Question: when was the new £1 coin introduced
Answer: 8 mm Edge Alternately milled and plain Composition ( Outer ring ) Nickel - brass ( 76 % Cu , 20 % Zn , and 4 % Ni ) ( Inner planchet ) Nickel - plated alloy Obverse Design Queen Elizabeth II Designer Jody Clark Design date 2016 Reverse Design Rose , leek , thistle , and shamrock encircled by a coronet Designer David Pearce Design date 2016