Watch List notes:

British Medals, William Pitt, the Younger (1759-1806), statesman, London Pitt Club, oval gilt-silver member's Badge, c.1810-15, black glass oval, partial Tassie cameo of William Pitt, border with NON SIBI SED PATRIÆ, laurel wreath suspender, rev. member's name engraved, THOMAS POPE ESQR, 45.5 x 40.5mm., very fine
Ex Baldwin's vault
This may be Thomas Pope, Esq., a physician whose main legacy seems to be his many letters to the British Medical Journal arguing in favour of the use of mercury as a pharmaceutical.