Watch List notes:

British Coins, Elizabeth II, Maundy set, 1953, laur. head r., rev. crowned mark of value within wreath (S.4126; ESC.2570; Bull 4559), all certified by NGC, the groat and threepence graded Mint State 63, the twopence Mint State 62 and the penny Mint State 61 (4)
Issued in the year of the Coronation, this is the rarest Maundy set of the 20th century.
(700-800)