The British mint explains that this makes their bullion coins exempt from capital gains tax: https://www.royalmint.com/invest/bullion/uk-coin-ranges/sovereign/

The British mint explains that this makes their bullion coins exempt from capital gains tax: https://www.royalmint.com/invest/bullion/uk-coin-ranges/sovereign/ https://www.royalmint.com/invest/bullion/uk-coin-ranges/sove... There are probably similar rules in other countries.