Watch List notes:

Sixpence 1697N First Bust GVLIEMVS error, ESC 1561A, Bull 1293 Good Fine on a porous flan, Excessively Rare, rated R5 by Bull (5-10 examples believed to exist) only the third example, and thus far the finest we have offered in 15 years

Estimate: 200-300 GBP