Coin Highlights: Contains 1/2 oz of fine Gold.</br>This is one of the few Britannia coins strengthened with a copper alloy.</br>In 1989 the strengthening agent was switched to Silver.</br>Coins will be in protective plastic flips.</br>Obverse: Her Majesty Queen Elizabeth II along with the face value of 50 pounds.</br></br>Product Description</br></br>These majestically designed Gold coins contain a half oz of fine Gold.</br><br/>http://www.amazon.com/gp/product/B071D46SS9