2019 Royal Mint 'Paddington at St. Paul's Cathedral' United Kingdom 50p Gold Proof Coin (COA No. 144 of 650). An exceptional, highly collectible Gold Proof 50p piece, struck by The Royal Mint to commemorate the iconic literary bear created by Michael Bond. Struck to flawless Proof standard in 22-carat (.9167 fine) gold. It is presented in its original, high-gloss luxury wooden presentation display case complete with Certificate of Authenticity confirming this as No. 144 of 650