Isle of Man, a Collection of Sterling Silver Coins comprising: a 7-coin BU set 1978 commemorating the 25th Anniversary of the Queen's Coronation : £1, 50p, 10p, 5p, 2p, 1p & ½p, BU, proof crown 1980 'Queen Mother's 80th Birthday' as struck, proof £5 1981 'World's First Decimal Circulating £5 Coin', a BU crown 1979 '300th Anniversary of Manx Coinage,' proof £1 1978 as struck, a set of 3 x £1 coins (sterling silver proof, virenium proof & FDM circulating coin), all with certificates of authenticity & all in Pobjoy Mint cases of issue, together with 'diamond finish' cupro-nickel coins: a cased set of 4 x crowns 1981 commemorating the 'International Year of the Disabled,' crown 1980 'Queen Mother's 80th Birthday,' & a set of 2 x crowns 1981 'Royal Marriage' all cased with certificates of authenticity