Half Sovereign Charles III Gold Coin | 2027

Half Sovereign Charles III Gold Coin 2027 — 3.66 g of 916.7 gold with latent image and micro-text in a 19.30 mm format

The 2027 Half Sovereign is a Royal Mint gold bullion coin weighing 3.994 g and containing 3.66 g of fine gold (0.117 oz) in 916.7 alloy (22 carat), 19.30 mm in diameter, with a face value of 50 pence. It is half the weight of the full Sovereign with the same design: the Charles III portrait after Martin Jennings with latent image and half-tone pattern, and Pistrucci's St George with micro-text around the rim. On the 2027 date these security features appear for the second time — the Royal Mint introduced them on the Half Sovereign with the 2026 issue. The coin is UK legal tender (CGT-free in the UK); within the EU its sale is VAT-exempt under Article 344 of Directive 2006/112/EC.

Technical specification

Why this coin

• 3.66 g of fine gold in the smallest Sovereign format that still carries the full set of security features: latent image, half-tone pattern and micro-text — the Quarter Sovereign (13.5 mm) has less room for them.
• 19.30 mm diameter and a 22-carat alloy: the coin is thicker and stiffer than 999.9 gold coins of similar weight, which limits the risk of bending when stored loose.
• 50p face value and legal-tender status — the UK CGT exemption works exactly as for the full Sovereign.
• Two halves give the gold weight of a full Sovereign (2 × 3.66 g = 7.32 g) but can be sold separately.
• The 2027 date in yellow gold — distinguishable by colour from the Charles III Half Sovereigns of 2023-2025, which makes the issue easy to identify without reading the date.

The Half Sovereign — a format since 1817, security features since 2026

The Half Sovereign was introduced together with the full Sovereign in the 1817 recoinage as a circulating coin worth 10 shillings. Since 1980 the Royal Mint has struck it mainly in collector and bullion versions, keeping the weight of 3.994 g and the diameter of 19.30 mm. While the coin circulated, its protection was the milled edge and die precision; modern counterfeiting of bullion forced the addition of optical elements. The Royal Mint used them first in the Britannia range (2021) and, from the 2026 date — after the Privy Council approved the designs on 7 May 2025 — across the whole Sovereign family, Half Sovereign included. The 2027 issue goes on sale from autumn 2026.

On the small 19.30 mm surface the mint kept all three features in the same proportional scale as on the 22.05 mm Sovereign. In practice this means the micro-text on the Half Sovereign is about 12% smaller and needs a stronger loupe. The alloy returned to a yellow colour: the proportions of silver and copper in the 8.33% addition differ from the 2000-2025 issues.

Obverse — the Jennings portrait and latent image at 19.30 mm

The obverse shows the left-facing bust of Charles III to Martin Jennings' 2022 design, with the legend CHARLES III · DEI · GRA · REX · FID · DEF. Below the bust is the latent image: a field that, as the coin turns, alternately shows the Tudor Crown (the cypher of Charles III) and the Tudor Rose (the badge of Henry VII, who introduced the Sovereign in 1489). The border field carries a half-tone pattern — a grid of dots of varying size that loses contrast on a copy struck from a cast die. On the Half Sovereign both elements are proportionally smaller than on the full Sovereign, but the switching of the latent image is visible to the naked eye in daylight.

Reverse — St George and the Garter micro-text

The reverse is Benedetto Pistrucci's St George (1817): a rider on horseback spearing the dragon, with the date 2027 in the exergue and the initials B.P. Around the rim runs the micro-text "HONI SOIT QUI MAL Y PENSE" — the motto of the Order of the Garter, founded in 1348, which on the original Sovereigns of 1817 appeared on the garter around the scene. On the Half Sovereign the letters are smaller than on the full format; reading them takes a 10× loupe or stronger, and in an ordinary phone photograph the rim looks like a continuous line — that is normal and not a defect.

What to look for when buying

The 2027 Half Sovereign is a bullion coin, not a proof: matt relief on a mirror-like field and light contact marks from other coins are the norm. At 3.994 g, striking costs and packaging make up a larger share of the price than on the full Sovereign — the premium over the value of 3.66 g of gold is usually higher than at 7.32 g and is only partly recovered on resale. What distinguishes this coin from the 2026 Half Sovereign is the date 2027 below the hooves. Check the 3.994 g weight with a 0.01 g scale and the 19.30 mm diameter with callipers; the latent image should switch as the coin tilts by a few degrees.

Why GoldInvest24

We deal only in coins from mints with LBMA accreditation. The 2027 Half Sovereigns come from Royal Mint distribution; before dispatch we compare the weight with the 3.994 g standard. Parcels are insured and sent in neutral packaging. The full Sovereign of this date and other British issues are in the gold coins category; the gold price converted to 3.66 g is shown on the gold price page.

The Sovereign family compared

Frequently asked questions about the 2027 Half Sovereign

How much gold is in the 2027 Half Sovereign?

3.66 g of fine gold (0.117 troy oz) in a coin weighing 3.994 g with a fineness of 916.7. That is exactly half the content of the full Sovereign (7.32 g).

Does the 2027 Half Sovereign have the same security features as the full Sovereign?

Yes: the Tudor Crown/Rose latent image and half-tone pattern on the obverse, and the micro-text HONI SOIT QUI MAL Y PENSE on the reverse. The elements are proportionally smaller because the diameter is 19.30 mm instead of 22.05 mm.

How does the 2027 date differ from 2026?

Only in the date on the reverse. The design, the yellow 916.7 alloy and the security features were introduced in 2026; 2027 is the second year with this set.

Why do two halves cost more than one Sovereign?

Striking, capsule and handling are charged per piece, not per gram, so at 3.994 g they make up a larger share of the price. In return the buyer can sell 3.66 g of gold on its own.

Is the 2027 Half Sovereign exempt from VAT?

Yes. As a gold coin of fineness above 900, struck after 1800 and legal tender, it meets the definition of gold bullion in Article 344 of Directive 2006/112/EC. The UK CGT exemption applies only to UK residents.

Which capsule fits the Half Sovereign?

A capsule with an internal diameter of 19.30 mm — a different one from the full Sovereign (22.05 mm). Before buying a capsule, check that it is specified for the Half Sovereign format.