1 oz Great Britain Gold Britannia BU (Random Year)

1 oz Great Britain Gold Britannia Coin (Random Year, BU)

Sovereign Flagship Gold | .9999 Fine | Iconic Britannia Design & Security

At a glance: A 1 troy oz .9999 fine (24-karat) gold coin from The Royal Mint with a £100 face value and four-layer anti-counterfeit security, including a latent trident-to-padlock image. Random year of our choice; costs about the live gold spot price plus a low premium; ships fully insured from Summit Metals; not currently offered for a precious-metals IRA through us. Best for stackers who want maximum-purity sovereign gold. Page updated July 2026.

Quick Facts:

• Metal Content: 1 troy oz pure gold (.9999 Fine, 24 karat)

• Total Weight: 31.103 g

• Year: Random (our choice; obverse portrait varies by minting year)

• Mint: The Royal Mint, United Kingdom

• Face Value: £100 (GBP)

• Diameter: 32.69 mm | Thickness: 2.7 mm (approx.)

• Condition: Brilliant Uncirculated (BU) — near-perfect, mint-fresh

• Packaging: Individual coins in protective flips; multiples of 10 in Royal Mint tubes; Monster Boxes available

• IRA Eligible: Not currently offered for a precious-metals IRA through Summit Metals — contact us for IRA-eligible gold

Why Choose Summit Metals?

• Guaranteed Authentic Royal Mint Bullion

• Secure, Fully Insured, Discreet Shipping

• Trusted Buyback Guarantee

• Satisfaction Guaranteed

Summit Metals sources Britannias directly from Royal Mint–approved distributors, ensuring an unbroken chain of custody and sovereign-backed quality.

Britannia & Monarch Portrait (Varies by Year)

• Obverse (Varies): Features successive effigies of Queen Elizabeth II by Arnold Machin, Raphael Maklouf, Ian Rank-Broadley, or Jody Clark (1987–2022), or King Charles III by Martin Jennings (2023 onward). Legends include monarch legend, motto, denomination, and year.

• Reverse: Philip Nathan’s standing Britannia, wielding trident and shield, overlaid on precision radial lines. Advanced security elements include:

  • Latent image shifting between trident and padlock

  • Micro-text “DECUS ET TUTAMEN” around the rim

  • Surface animation of radial waves

  • Tincture lines on the Union Jack shield

Investment & Collector Appeal

• Four-nines purity and UK government backing ensure global liquidity

• Random-year selection adds variety in monarch portraits and privy marks

• Low premiums relative to other sovereigns

• Ideal for portfolio diversification and date runs

Packaging & Delivery

Coins ship in flips, tubes, or mint-sealed boxes depending on quantity. Summit Metals packages orders discreetly, ships fully insured, and provides end-to-end tracking from our vault to your door.

Secure Your 1 oz Britannia Today

Add one ounce of .9999 British gold to your holdings. Click “Add to Cart” to purchase a Random-Year 1 oz Great Britain Gold Britannia Coin and invest confidently with Summit Metals!

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Frequently Asked Questions

Is the 1 oz Gold Britannia IRA eligible? It is not currently offered for a precious-metals IRA through Summit Metals; contact our team for IRA-eligible gold.

How much gold does it contain? A full troy ounce (31.103 g) of .9999 fine (24-karat) gold.

Which year will I receive? A random year of our choice (1987–present); the monarch portrait varies — Queen Elizabeth II through 2022, King Charles III from 2023.

How much is a 1 oz Gold Britannia worth? About the live gold spot price plus a low premium.

What security features does it have? Modern issues carry a latent trident-to-padlock image, “DECUS ET TUTAMEN” micro-text, radial-wave surface animation, and tincture lines on the shield — among the most secure bullion coins made.

Gold Britannia vs. Gold Eagle or Maple Leaf? All are 1 oz sovereign gold; the Britannia and Maple are .9999 pure, the Eagle is 22-karat alloy — the Britannia adds four visible security features.

Who designed it? Philip Nathan’s standing Britannia has anchored the reverse since 1987.

Is it legal tender? Yes — £100 face value in the United Kingdom, though its gold content is worth far more.

Is it authentic? Yes — sourced from Royal Mint–approved distributors with an unbroken chain of custody.

What condition is it in? Brilliant Uncirculated (BU) — a near-perfect, mint-fresh condition.

Can I buy in bulk? Yes — tubes of 10 and Monster Boxes are available.

Can I sell it back? Yes — Summit Metals offers a buyback guarantee.

How the Gold Britannia compares

Want the same ounce of gold in a different sovereign package? Compare the .9999 Gold Maple Leaf or the 22k, IRA-eligible American Gold Eagle — the Britannia typically carries a lower premium with more visible security.

Related products

Go fractional with the 1/2 oz, 1/4 oz, or 1/10 oz Gold Britannia, pair it with the Silver Britannia, or browse all Royal Mint.