Watch List notes:

British Tokens, Eighteenth Century Tokens, Middlesex, [Paul] Skidmore, halfpenny, undated, man skating, HYDE PARK, rev. cipher GB, FOR THE USE OF TRADE (DH.535), an unsightly small toned area below skater's leg excepted, about mint state with very considerable original colour, rare
*ex Baldwin's vault
Estimate: 130-180 GBP