2026 Centenary of Queen Elizabeth II Gold Proof Sovereign

A truly exceptional modern rarity, this 2026 Gold Proof Sovereign was issued to commemorate the Centenary of the birth of Queen Elizabeth II (1926–2026). Struck by the authority of Alderney, this coin represents a significant milestone in royal numismatics. Featuring a pristine Proof finish with frosted details against a mirror-like field, the reverse displays a commemorative "ER" Centenary design, while the obverse bears the official effigy of King Charles III.

With a strictly limited mintage of only 999 pieces, this 22ct gold coin is a highly sought-after treasure for collectors of royal history and gold bullion alike. It comes housed in its original deluxe presentation case with a numbered Certificate of Authenticity from Harrington & Byrne.

Key Features

• 22ct High-Purity Gold: Struck in 8.00g of .917 fine gold, maintaining the traditional sovereign standard.

• Ultra-Low Mintage: One of only 999 coins issued worldwide, ensuring long-term exclusivity and collector appeal.

• Commemorative Centenary Design: A unique reverse dedicated to the 100th anniversary of the birth of Her Late Majesty Queen Elizabeth II (21 April 1926).

• Proof Quality: The highest standard of minting, featuring razor-sharp detail and a flawless reflective finish.

• Official King Charles III Obverse: Features the contemporary portrait of the King, marking the new era of the British monarchy.

Technical Specifications

• Year of Issue: 2026

• Country of Issue: Alderney

• Metal: 22ct Gold (.917 Fineness)

• Weight: 8.00g

• Diameter: 22.00 mm

• Finish: Proof

• Mintage: 999

• Presentation: Original Box & Certificate of Authenticity (CoA)