Watch List notes:

BRITISH COINS. Pobjoy Mint, Silver Proof Crowns (4), 1976, 1977 (3); Isle of Man, Proof Pound, 1978; Singapore, Silver Proof $1, 1976, and Silver 1oz Britannia. All mint state, The Pobjoy Mint and Singapore issues in original cases with certificates. (7)

Estimate: £50-70