Watch List notes:

William II 'Rufus' (1087-1100), Penny, 'Profile right' type, Thetford, Burghard or Burgheard, 1.10g, 10h, rev. + [BE]RHARD [O]N ÐTFR (N.851; BMC I; S.1258)), crinkled and crimped flan, otherwise very fine, rare.
Provenance
The Isladulcie Collection of Medieval Pennies and Fractions

Estimate: £800 - £1,000