Watch List notes:

25 Pence 1972 Model Pattern Silver Wedding of Queen Elizabeth II and Prince Philip, Obverse: Bust of Prince Philip right SILVER WEDDING ANNIVERSARY 1947-1972H.R.H THE DUKE OF EDINBURGH, Reverse: MODEL in centre, X#TS1, Proof in .999 silver, weight 30.68 grammes, nFDC with very minor toning on the reverse, retaining almost full mint brilliance

Estimate: 700-1000 GBP