18th Century British Trade Tokens

Middlesex [Medallic and other series], Kempson’s Erskine and Gibbs Proof Halfpenny, 1794, in silver, two barristers standing holding label inscribed bill of rights, magna charta above, rev. legend in 9 lines, edge engrailed, 9.50g/12h (DH 1011). Spot on obverse, otherwise good very fine and toned £120-150