Watch List notes:

British Tokens, Eighteenth Century Tokens, Buckinghamshire, Slough, W. Till, silver proof halfpenny, 1794 [i.e. c.1838], lion rampant to left, rev. the Red Lion Inn, W. TILL above entrance (DH.24), good extremely fine with a pleasing tone, obverse field very lightly scuffed, very rare
*ex Longman, lot 7 (part)
ex Baldwin's vault
Estimate: 180-250 GBP