The 2022 Britannia 1oz gold coin, made of 24 carat gold (999.9 fineness). BullionByPost is an official partner to The Royal Mint and we source all of our new 2022 one ounce gold Britannias directly from their refinery in Llantrisant, Wales. All of our coins are sent out in protective plastic capsules, though every 10 coins will be grouped in a protective Royal Mint coin tube. This bullion coin contains one troy ounce (31.1 grams) of fine gold with a face value of £100.