* These images show the type of coin you will receive, not the exact item
Piedfort sterling silver proof Royal Observatory Greenwich £2 coin from a limited mintage of just 650! This collectable 2025 Two Pound celebrates the 350th anniversary of the famous London observatory, which was founded in 1675. The Royal Observatory played a major role in the history of navigation and astronomy, and gives its name to Greenwich Mean Time, since the Prime Meridian passes through the site. This commemorative anniversary coin features a globe, set against a star chart and a clock face, inspired by the famous Shepherd Gate Clock, which is located at the gates of the Observatory. Piedfort coins are twice the weight of their standard counterparts, with this example struck in 24 grams of .925 silver with gold-plated edge detailing. You'll receive your Royal Observatory coin in the original Royal Mint packaging with a numbered certificate of authenticity.
Request a free, expert valuation for your coins today
Martin Jennings' uncrowned definitive coinage portrait of King Charles III features on the obverse of this Royal Observatory coin, accompanied by an inscription which reads 'CHARLES III · D · G · REX · F · D · 2 POUNDS · 2025 ·'.
The design of this coin, created by Henry Gray, was inspired by the many discoveries made at Greenwich. It centres on a globe, displaying the Prime Meridian, set against an astrological chart, showing Ursa Minor and the North Star, surrounded by the numerals of the iconic Shepherd Gate clock. The inscription reads THE ROYAL OBSERVATORY GREENWICH' with the anniversary dates - '1675' and '2025' - below.
The edge of this coin features a nod to the Royal Observatory's founding mission with an inscription that reads 'PERFECTING THE ART OF NAVIGATION'.
Piedfort coins are double the weight and thickness of their standard counterparts and have a centuries-old history. This sterling silver proof Two Pound coin weighs 24.00 grams and features a bimetallic appearance, achieved with fine gold plating to the outer edge.
The Royal Mint has authorised the release of just 650 of these 2025 piedfort coins in this limited edition presentation. They are supplied in a premium presentation case with a numbered certificate of authenticity enclosed.
