Silver Proof One Pound Collection. Celebrate the 20th anniversary of the Britannia with this stunning 2007 Silver Proof One Pound Coin Set. The set includes 6 pieces, each with a fineness of 0.958, featuring the iconic design of Britannia by Philip Nathan. Crafted in the United Kingdom with the highest standards, this set is a must-have for any coin collector. It comes in a box and is a perfect addition to any collection. The coins and certificate of authenticity are in excellent condition, the outside of the box shows signs of wear, please see photos for details. Don’t miss the opportunity to own a piece of British history. The coins were stuck in 2007 in 95.8% silver. The diameter of each coin is 27 mm Approx. The weight of each coin is 16.22 grams Approx. Alison Chapman, as seen on ITV’s Dickinson’s Real Deal and Secret Dealers. Visit my shop and find yourself a treasure… If you have any questions, please send us a message.