The two pence coin weighs grams and has a diameter of mm. Initially issued in bronze, the material used to make the 2p coins changed to copper. weights, use coins: 5p=g, 1p=g, 10p=g, 2p=g, 20p=5g, 50p=8g, £1=g,. £2=12g. For instance, one £2 coin + four £1 coins = 50g. (if you want. The £2 coin is a modern successor to the double sovereign, made to the same specifications ( mm) and weight ( grams). Commemorative £2 coins. This contained the insignia of the Apostolic 2 coin weight and the coat of arms of the Cardinal Chamberlain. The design for the reverse of the coin was decided through a public competition, won by Brush Rushin, an art teacher 2 coin weight Norfolk. The stars are inset on a ridge. Weighing in at The date is located towards the bottom between the stars and the mint marks are located at the top.