Watch List notes:

31 x UK Proof Sets, to include: 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983(x2), 1984, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 and 2000, including deluxe editions and an executive set, in Royal Mint cases of issue

Estimate: 300 - 500 GBP