Watch List notes:

One Hundred Pounds 2021 Mr. Happy - 50 Years of the Mr. Men and Little Miss books, the first coin in the series, S.MM13. One Ounce Gold Proof, The reverse design with the Mr. Happy character on a cartoon landscape background, with 'MR. MEN 50 Years' and the creator Roger Hargreaves' signature in the field. Proof FDC in the Royal Mint box of issue with certificate and booklet described the origins of the popular cartoon and series of children's books. Only 280 issued

Estimate: 1700-2200 GBP