How to Identify the Gold Sovereign

What It Is

The modern gold sovereign was reintroduced in 1817 as part of Britain's Great Recoinage and has remained a benchmark gold coin ever since, struck under successive monarchs from George III to the present day, including issues from Royal Mint branches around the former British Empire. It took its name from an earlier, unrelated Tudor-era gold coin, but the 1817 sovereign established the weight and fineness standard that has defined the denomination ever since.

Obverse Design

The obverse carries a portrait of the reigning monarch at the time of striking, updated periodically as design conventions changed; collectors identify the specific monarch and portrait variety by comparing hairstyle, crown, and inscription details around the edge of the bust.

Reverse Design

The most iconic reverse, designed by Benedetto Pistrucci, shows Saint George on horseback slaying a dragon, a design used intermittently since 1817 and revived for many later issues. Some 19th-century sovereigns instead carry a shield-shaped reverse, and modern commemorative sovereigns sometimes use special one-off reverse designs.

Size, Weight, and Metal

The sovereign is struck in 22-karat gold (.9167 fine) with a weight of 7.98805 grams and a diameter of 22.05mm, a standard that has remained essentially unchanged since the coin's 1817 reintroduction, making weight and diameter reliable checks for genuineness.

Mint Marks and Where to Find Them

A small letter below the date or main design indicates the mint of origin: no letter means the Royal Mint in London, while "S" denotes Sydney, "M" Melbourne, "P" Perth, "SA" Pretoria (South Africa), "C" Ottawa (Canada), and "I" Bombay (India), reflecting the coin's history as an empire-wide gold standard currency.

Telling It Apart from Similar Coins

The half sovereign shares the same design conventions and fineness but is roughly half the diameter and weight, so a quick size and weight check separates the two denominations. Various foreign gold coins of similar size exist, so confirming the specific weight (7.988g) and the English legends and George-and-dragon or shield reverse helps confirm a sovereign specifically.

Judging Condition at a Glance

Examine the high points of the monarch's portrait, such as hair curls and cheek, and on the George and Dragon reverse look at the folds of Saint George's cloak and the dragon's wing and tail, since these areas show wear first on a circulated coin. A sovereign that retains sharp, unbroken lines in these areas and a fully lustrous surface is considered notably better preserved than one showing smoothing or flattening across the design.

Authenticity Red Flags

Because sovereigns are a historically popular forgery target, verify the exact weight and diameter precisely, check that the reeded edge is even and well-formed, and compare fine details of the Pistrucci design (such as the broken lance and dragon's tail curl) against a known genuine example.