Location: 500 metres down the track from Peru shaft, and 50 metres away from the upper side of the track.

Latitude: 54.102255 Longitude: -1.951884

NGR: SE 03244 67377

Inscription: W B

This stone marks with the north-eastern extent of the lease held by "Brown & Co" according to the Brailsford 1781 survey, although the lettering on this stone is remarkably similar to the lettering on the other stone initialled WB which is thought to be associated with William Bagshaw & Co.