Watch List notes:

British Coins, Elizabeth II, silver twenty pounds (9): 2013, George and the Dragon; 2014, 100th Anniversary of the outbreak of war (2); 2015, The longest reigning monarch (2), Sir Winston Churchill Commemorative (2); 2016, The 90th Birthday of the Queen (2); silver fifty pounds (3): 2015, Britannia; William Shakespeare Commemorative (2); silver one hundred pounds (5): 2015, Buckingham Palace (2); Big Ben (2); 2016, Trafalgar Square; quarter ounce silver coin struck from the silver found in the shipwrecked SS Gairsoppa, all in presentation packs, mint state (18)