Watch List notes:

BRITISH 18TH CENTURY TOKENS, WALES, Parys Mine Company,Thomas Williams, (1737-1802), attorney and businessman, part owner and managing partner of the Parys and Mona Mine Companies of Anglesey, Copper Penny, 1788, obv Druid's head left within thin oak wreath and outer border of acorns, twenty-one acorns in wreath, eleven to left and ten to right, two acorns at tie, one above and one below, rev P M Co cypher, 1788, WE PROMISE TO PAY THE BEARER ONE PENNY around within a border of acorns, short-topped P of PMCo terminates to left of first ascending stroke of M, straight 1 and 7, small cypher, o of PMCo elongated into an oval, edge ON DEMAND IN LONDON LIVERPOOL & ANGLESEY (Pye p.2, 2; Atkins p.272, 112; D&H Anglesey 244, this token illustrated). A little crude but likely as made, exceptionally rare, the only specimen traced.

According to Pye "This was not so well executed as the rest, and was therefore rejected. Only two in copper and one in tin known to exist."
Williams effectively gained control of the entire operations of the Parys Mountain and, later, the Cornish Metal Company, giving him a near monopoly over the development and production of copper and the copper trade in Great Britain.

Estimate: £1500-2000