(i) Richard Mostyn of Penbedw, co. Denbigh, esq.
(ii) Simon Thelwall of Blaen Yale, co. Denbigh, esq.
Sixteenth part of all manner of mines, minerals, veins, rakes, beds and holes of lead and lead ore, booze, smythom and matters to make lead, to be found in or under a parcel of land (being part of inheritance of William Wynne of Rhos, co. Denbigh, esq.) in the township of Prestattyn, co. Flint, called Costiae newydd.
Term: 21 years.
Rent: 20s. for every 1/16 tun of lead.
Consideration: rent and covenants.
15 Feb 1724/5