I think you've misremembered a couple of them (or coins have changed since you learned those facts). In this link is a table of the current weight of UK coins,

I think you've misremembered a couple of them (or coins have changed since you learned those facts). In this link is a table of the current weight of UK coins, including the ratio between each coin and the coin below it: https://chatgpt.com/share/67151004-3fd0-800c-b534-b5933a730568 https://chatgpt.com/share/67151004-3fd0-800c-b534-b5933a7305... Confirmed with sources like https://thecoinexpert.co.uk/blog/what-do-uk-coins-weigh/ https://thecoinexpert.co.uk/blog/what-do-uk-coins-weigh/ and https://www.royalmint.com/discover/uk-coins/coin-design-and-specifications/ https://www.royalmint.com/discover/uk-coins/coin-design-and-... 2p does weigh double 1p 10p does weigh double 5p But 50p weighs 1.6x 20p and £2 weighs 1.37x £1