This groundbreaking coin represents a historic, first-of-its-kind collaboration between the Chief Engravers of The Royal Mint (Gordon Summers) and the United States Mint (Joseph Menna), beautifully combining the iconic symbols of Britannia and Lady Liberty.Extreme Rarity – Practically Disappeared From the Market:📊 Ultra-Low Global Mintage: Incredibly rare, with only 700 pieces ever minted worldwide in this limited edition presentation format.🔍 Ghost Item on the Secondary Market: I purchased this coin directly on the day of release in 2024 and have never seen another one come up for sale since. Collectors are tightly holding onto these, making this an incredibly elusive opportunity to acquire one.🔢 Desirable Low COA Number: Features a highly collectible low number, including the original Certificate of Authenticity (COA) individually stamped as Number 570.Provenance & Condition:One Owner From New: Purchased by myself directly from The Royal Mint as a special birthday piece.Pristine / Absolute Mint Condition: The coin has never been touched and has never been out of its protective plastic capsule. The mirror-like proof fields and frosted details are completely flawless.What is Included (Full Vault-Set):🪙 2024 Britannia and Liberty 1/4oz Gold Proof Coin (in capsule)🗒️ Official Certificate of Authenticity (Low Number 570)🪵 Luxury wooden Royal Mint presentation case📦 Original outer packaging box and sleeve📄 Original purchase receipt (personal details redacted for privacy)🛍️ Bonus: The original Royal Mint paper bag from the day of purchase.Coin Specifications:Alloy: 999.9 Fine Gold (24 Carat)Weight: 7.80 grams / 1/4 Troy OunceObverse Portrait: His Majesty King Charles III by Martin JenningsTax Status: UK Legal Tender (£25 Face Value) – Capital Gains Tax (CGT) Exempt for UK residents.