Proof Sets Barbados 1973 (8 coins), British Virgin Islands 1974 (6 coins), Guyana 1976 (8 coins), Isle of Man (6 silver coins + silver medal). Jamaica 1976 (9 coins), Panama 1975 (9 coins), Papua New Guinea 1975 (8 coins), Philippines 1975 (8 coins) all cased FDC with certificates all sets containing some silver coins
Estimate: 125-225 GBP