(i) Most Noble Hugh Lupus, Duke of Westminster.
(ii) John Davies of 6 Great Saint Helen's, London, merchant and broker.
Mines of lead ore, lapis calaminaris and black jack, and other ores of zinc and copper in pieces of waste or mountain land and enclosed lands at Bwlchgwyn in the townships of Brymbo and Minera, parcel of the lordship of Bromfield and Yale, containing 249 acres (map endorsed).
Term: 21 years.
Royalty: 20s. per ton of lead ore, one twentieth of copper ore, and one tenth of blend, calamine and black jack.
Endorsed: 'Central Minera'.