Britannia Coins Guide: Gold, Silver, VAT and CGT

Britannia specifications

Britannia bullion coins carry a face value, a monarch's portrait and Philip Nathan's standing Britannia design on the reverse.

The face value establishes denomination rather than market price. Metal value exceeds the amount stamped on the coin. Record coin, metal, denomination, year, weight, fineness and finish on the invoice and inventory.

The Royal Mint launched the gold Britannia bullion coin in 1987 with Philip Nathan's new interpretation of the national figure.

The standing design shows Britannia with helmet, trident and shield. The image has appeared on British coinage in other forms for centuries.

Use The Royal Mint archive or product specification to identify an unfamiliar year. Avoid relying on a dealer's short title alone.

Gold Britannias issued from 1987 through 2012 used 22-carat gold alloys. Their fineness differs from the current 999.9 specification.

The one-ounce coin still contains one troy ounce of fine gold. Alloy metal increases the gross weight beyond the fine-gold amount.

Secondary-market pricing can differ by year, condition and availability. Compare fine-gold value before paying a date premium.

The Royal Mint has struck gold Britannias in 999.9 fine gold since 2013. The change reduced alloy content while retaining fine-gold weights.

The one-ounce coin has a gross weight close to its fine-gold weight because almost all of the coin is gold. Keep the coin in suitable protection and retain the invoice. Packaging and provenance can simplify a future inspection.

The 2026 one-ounce gold Britannia specification lists a £100 denomination, 999.9 fine gold and one troy ounce of pure metal.

The same specification gives a diameter of 32.69 millimetres. Other years and sizes need their own official measurements.

Do not file, drill or chemically test a coin without understanding the damage. Non-destructive methods protect condition.

Fractional Britannias contain less than one troy ounce of fine gold. Common sizes include half, quarter and tenth ounce, with other sizes issued in some ranges.

Face values and dimensions scale by denomination rather than market price. Verify the current product specification for the exact size.

Read Fractional Gold Britannias for a focused comparison of half, quarter and tenth-ounce buying decisions.

Gold, silver and platinum Britannias

The 2026 one-ounce silver Britannia specification lists a £2 denomination, 999 fine silver and one troy ounce of pure metal.

The same current specification gives a diameter of 38.61 millimetres. Fractional and older issues need separate measurements.

Use How to Invest in Silver in the UK for VAT, price volatility, storage and resale planning.

The Royal Mint also issues platinum Britannia bullion coins. Their purity, sizes and availability differ from gold and silver ranges.

Physical platinum generally attracts standard-rate VAT in UK retail sales. Check the current product and invoice.

Use official specifications for measurements and fineness. Product ranges can change between years.

Britannia coins carry sterling denominations and are issued as UK legal tender. The denomination is a legal attribute, not the expected retail price.

A one-ounce gold Britannia's £100 face value sits far below its metal value. Spending it at face value would discard most of its economic value.

Record denomination and issuing authority. A design alone cannot prove legal-tender status.

UK tax treatment

Gold Britannias can qualify as investment-gold coins under HMRC's VAT rules. Dealers generally sell qualifying bullion issues without standard-rate VAT.

The VAT exemption follows product conditions and the recognised coin description. It does not come from British branding alone. Recheck HMRC's current investment-gold coin notice when the tax result matters to the purchase.

Physical silver and platinum Britannia purchases generally attract standard-rate VAT in UK retail sales. UK legal-tender status does not create an investment-gold VAT exemption for other metals.

Keep the invoice showing net price, VAT and total. Tax evidence supports later valuation and business records. HMRC names Britannia gold coins as sterling currency in its Capital Gains Manual and applies the section 21 currency treatment.

The Royal Mint states that its UK legal-tender bullion coins receive Capital Gains Tax exemption for UK residents.

Read CGT-Free Gold in the UK for the source-led distinction between investment-gold VAT and sterling-currency CGT.

Design and security

Philip Nathan's reverse shows a standing Britannia with trident, shield and flowing robes. The composition became the bullion range's core identity.

The design has received changes in detail, field treatment and security while preserving the standing figure. Use official images with weight and dimension checks. Counterfeiters can copy familiar motifs.

Recent bullion Britannias use a latent image that changes between a padlock and trident as the viewing angle changes. Surface animation uses fine details behind Britannia to create an impression of moving waves when the coin rotates.

A visual match adds evidence but does not settle metal composition. Use non-destructive testing or expert inspection where doubt remains.

Bullion, proof and secondary-market coins

Bullion coins target metal trading and use a production finish. Small marks can occur through minting, packaging and handling.

Proof coins use prepared dies and planchets to create a specialist finish. They often include boxes and certificates and carry collector premiums.

Choose bullion for metal exposure and collector products only when finish, rarity or grade forms part of the purpose.

A current-year Britannia gives you a known date and the latest Royal Mint packaging. They can carry a premium linked to fresh supply and mint distribution.

Secondary-market coins can include random dates and older portraits. A dealer may select the year rather than offer a choice.

Ask before paying if year, packaging or condition matters. Save the listing and invoice.

Price and premium

Multiply fine-metal weight by a current reference price in the same unit and currency to estimate metal value. Subtract metal value from the product price to estimate the cash premium. Divide by metal value for a percentage comparison.

Use Bullion House transparent pricing to compare live metal value and premium before adding delivery or storage.

A Britannia offers legal-tender coin status and sizes based on troy-ounce fractions. A Sovereign uses a historic fixed fine-gold content rather than a round ounce fraction.

Bars can offer lower percentage premiums at larger sizes but do not receive sterling-currency treatment as coins.

Use Gold Coins vs Gold Bars for the broader product-format decision.

Authenticity, storage and resale

Buy from a seller whose legal identity, domain, payee and product listing you verified. Brand recognition does not authenticate the transaction.

Compare weight, diameter, thickness, design and security features with an official specification for the exact year and size. Photograph the received coin and packaging, then report discrepancies before moving it into long-term storage.

Use capsules, tubes or original packaging that does not react with the metal. Avoid loose contact that creates scratches.

Gold resists tarnish, while silver can tone. Dry, stable storage reduces moisture and contaminant exposure.

Review insurance and estate access as the holding grows. A small tube can become a material asset over time.

Ask dealers for indicative buy prices before purchase and during reviews. The offer can differ by metal, size, date and condition.

Bullion dealers may value ordinary coins from metal content and current demand. Auctions may suit rare, proof or graded pieces.

Read How to Sell Gold in the UK for quote, identity, transport and settlement checks.