(i) Most Hon. Richard, Marquess of Westminster.
(ii) Thomas Heywood of Wrexham, co. Denbigh, watchmaker and jeweller, John Foulkes of Coedpoeth, near Wrexham, miner, and John Davies of Wrexham, druggist.
Mines of lead ore, lapis calaminaris and black jack in land in the township of Minera, parish of Wrexham (map endorsed, showing shafts).
Term: 21 years.
Royalty: 20s. per ton of lead ore and one tenth of all blende, calamine and black jack.
Endorsed: 'Lower Pool Park. Forfeited 21 October 1878'.