1oz British Gold Britannia Coin, 24K Yellow Gold, £100 Face Value

Coin (Bullion/Investment) · Yellow Gold (Investment grade pure gold without alloying metals)

Purity: 24K (999.9 fine gold); 99.99% pure gold content

1oz British Gold Britannia Coin, 24K Yellow Gold, £100 Face Value

Type

Coin (Bullion/Investment)

Purity

24K (999.9 fine gold); 99.99% pure gold content

Gold Type

Yellow Gold (Investment grade pure gold without alloying metals)

Weight

31.103 grams (1 Troy Ounce) of pure gold

Description

An iconic example of British minting, the 1oz Gold Britannia is one of the world's most secure bullion coins. The obverse features the fifth definitive portrait of Her Late Majesty Queen Elizabeth II against a guilloché security background. This 24-karat piece combines investment-grade liquidity with high-art numismatic design, making it a staple for global gold portfolios.

Key Features

Fifth portrait of HM Queen Elizabeth II; laser-etched security background; high-purity .9999 gold content; UK Legal Tender status.

Color & Finish

Vivid deep yellow (high purity) with a proof-like finish on the device and a laser-micro-etched textured background providing a shimmering effect

Hallmarks & Stamps

Stamped '100 POUNDS' (face value) and 'ELIZABETH II D G REG F D'. The designer's initials 'J.C.' (Jody Clark) are visible below the neck of the effigy.

Dimensions Estimate

32.69 mm diameter, 2.80 mm thickness (standard 1oz Britannia specifications)

Gemstones & Inlays

None; features anti-counterfeit micro-text and surface animation security textures in the background field

Clasp & Closure

Reeded (grained) edge for security and grip; no mechanical clasp

Chain & Links

Standard vertical reeded edge typical of Royal Mint bullion coins to prevent clipping or filing

Craftsmanship Details

Precision struck using high-pressure dies; features advanced laser-etching for anti-counterfeit patterns; uniform edge reeding and flawless radial symmetry.

Authentication Indicators

Sharpness of the 'J.C.' engraving, perfect radial line consistency, deep yellow luster consistent with 24K, and high-relief striking typical of Royal Mint technology.

Origin & Maker

United Kingdom; The Royal Mint (Llantrisant, Wales)

Era & Period

Contemporary (Elizabeth II fifth portrait era, post-2015 design)

Age Estimate

Likely produced between 2015 and 2022 (featuring the Jody Clark portrait prior to the King Charles III transition)

Cultural Significance

Represents the British monarchy and national identity; serves as a hedge against inflation and is historically significant as legal tender in the UK (exempt from Capital Gains Tax for UK residents).

Condition Notes

Appears to be in Brilliant Uncirculated (BU) or Mint State condition. No visible wear, scratches, or contact marks on the high points of the effigy. Grade: MS68-70 equivalent.

Value Estimate

Current Gold Spot Price + 1% to 5% premium. Primarily valued for gold weight (~$2,000 - $2,400 USD depending on market spot). No significant numismatic rarity premium unless slabbed/graded.

Care & Maintenance

Avoid touching the face of the coin with bare fingers (oils cause toning); store in an airtight acrylic capsule; handle only by the edges using cotton gloves.

Similar Items

South African Krugerrand (22K), Canadian Gold Maple Leaf (24K), American Gold Eagle (22K), Australian Gold Kangaroo (24K).

Interesting Facts

The Britannia was first introduced in 1987. Since 2013, it has been produced in 24-karat gold, a change from the previous 22-karat (crown gold) standard to compete with other global 999.9 bullion.

Identified on 4/19/2026
1oz British Gold Britannia Coin, 24K Yellow Gold, £100 Face Value | Gold Identifier