(i) Sir Thomas Mostyn of Mostyn, Baronet.
(ii) Edward Edwards of Holywell, co. Flint, miner, David Edwards of Holywell, miner, and William Clement of Pant in the parish of Caerwys, co. Flint, miner.
Mines of lead, copper, caulk and calamine under fields in Whitford Garn in the parish of Whitford, co. Flint called Quitiar Bain, Quitia Stabal, Tuddin and Evan Vaughan's Croft.
Term: 21 years.
Rent: 25s. per ton of lead ore, boose and smitham, one fifth of all copper found, and 18s. per ton of caulk and calamine.