Gold - Britannia - Tenth Bullion

The tenth-ounce Gold Britannia bullion series covers the annual £10 issues from 1987 onward. The compact 16.5mm coins were struck in 22-carat gold through 2012 and in 999.9 fine gold from 2013, while retaining one-tenth troy ounce of fine-gold content. The date run includes the 2021 security redesign and both royal portraits issued in 2023.