Watch List notes:

Penny Wiglaf King of Mercia second range (830 - 840) S934 extremely rare monarch certainly the first example we have seen and we could find no other sales results for this excessively rare monarch, discovered in the Thames mud by Southwark Bridge in 1997, about as struck for wear and pleasing with all designs sharp and crisp the fields constant with having spent over 1,000 years in the Thames

Estimate: 8000-10000 GBP