Watch List notes:

British Coins, Elizabeth II (1952-present), 500th Anniversary of the Sovereign gold Proof Four-Coin Collection, 1989, comprising £100, £50, £25, and £10, monarch enthroned facing rev. shield of arms upon crowned rose (S.PGS110), in case of issue, with certificate, FDC (4)
(3750-4250 GBP)