Watch List notes:

British Tokens, Eighteenth Century Tokens, Middlesex, T. Prattent, halfpenny, 1796, anchor within shield, cap of Liberty radiating above, rev. City of London arms, mace and sword behind, edge PAYABLE IN DUBLIN OR LONDON (DH.459a), good extremely fine, toned, small spot within shield, overstruck on a 'slave' token, either DH.1037 or 1038a, traces of the obverse legend of which are visible on the obverse, extremely rare
*ex Baldwin's vault
Estimate: 150-200 GBP