Watch List notes:

Britannia Silver Two Pounds (29) 1998, 1999 (2), 2000 (2), 2001 (3), 2002, 2003 (2), 2004, 2005 (2), 2006 (2), 2007 (3), 2008 (3), 2009 (2), 2010 (2), 2011 (2), 2012 UNC, 17 in the Royal mint wallets, the remaining 12 in a Westminster box

Estimate: 400-600 GBP