Watch List notes:

Oliver Cromwell, 'Tanner's' pattern sixpence, Dutch copy, 1658, in silver, edge plain, 5.51g (Lessen M41; ESC 1506; S. 3228), surface marks and has been cleaned, generally good fine, extremely rare. Ex 'Agricola' Collection, Spink, 12 October 1983, lot 284 and Clarendon Collection (part 2), Bonham's, 17 October 2006, lot 1574.
Estimate: 4000-5000 GBP