Watch List notes:

British Medals, George III, the Grand National Jubilee, the 50th year of his reign, 1809, silver medal, by P. Kempson (?), conjoined busts l, he in frock-coat, she diademed, no date below bust, rev. legend within and around oak wreath, GRAND NATIONAL JUBILEE CELEBRATED ..., 38.5mm. (BHM.645), extremely fine and rare in silver, but large piercing above King's head
*bt. Spink & Son
Earthy's envelope records the medal as BHM.643, a variety un recorded in silver that shows the date on the obverse in Roman numerals.
(65-80 GBP)