A coin with two bullion runs
The Royal Mint first made a half-ounce silver Britannia bullion coin in 2011. That one-year issue was struck in .958 Britannia silver and weighed 16.22 grams. No more half-ounce bullion coins followed until 2025, when the size returned in .999 fine silver.
Both versions contain almost exactly half a troy ounce of pure silver, so their silver value is practically the same.
Four ways to check a modern half-ounce Britannia
Half-ounce Britannias from 2025 onwards carry four visual security features:
- Micro-text - tiny lettering that's hard to copy
- Latent image - a small panel that switches between a trident and a padlock as you tilt the coin
- Tincture lines - fine lines that pick out details such as the Union flag on Britannia's shield
- Surface animation - a pattern that appears to move as the coin catches the light
We also test every coin we buy with non-destructive methods, so you don't need to check it yourself before you sell.
What is a tube of half-ounce Britannias worth?
The Royal Mint sells 2025 half-ounce Britannias in tubes of 25. A full tube holds 12.5 troy ounces of silver, and we pay £482.10 for one today.
1/2oz silver Britannia specification
- Face value - £1
- Silver content - 15.55 grams (half a troy ounce)
- Fineness - .999 fine silver from 2025 (.958 for the 2011 coin)
- Diameter - 27mm
- Tax - UK legal tender, so exempt from Capital Gains Tax
We buy every size of silver Britannia. See what we pay for a 1/4oz silver Britannia or a 1oz silver Britannia.
