Watch List notes:

Five Pound Crown 2007 Queen Elizabeth II and Prince Philip Diamond Wedding, a trial piece, struck from polished dies, 28.40 grammes, Lustrous UNC the obverse with some hairlines, used in discussions with the Royal Mint as part of an experiment for different finishes to the commemorative coin. Ex-Ian Rank-Broadley personal collection

Estimate: 80-120 GBP