Ancient, British and World Coins and Banknotes, to include the Professor Jeffrey P Mass Collection of English Short Cross Coins, 1180-1247 (Part II) and British Medals from the James Spencer Collection (Part III)

18th Century, Hertfordshire, Bishops Stortford, Sir George Jackson, mule Halfpenny, arms, rev. Parys Mine Co cypher, edge plain, 11.75g/12h (DH 4 bis III, recorded from this piece). Obverse fine, reverse better, of the highest rarity; believed the only known specimen (£80-100)

The rev. die used is the same as DH Anglesey 391 which, like Jackson’s tokens, was a Matthew Boulton issue