(i) Most Hon. Hugh Lupus, Marquess of Westminster.
(ii) Martin Dunn of Ashburton, co. Devon, mine agent, and William Henry Dunn of Ashburton, mine agent.
Mines in D/GR/253 (lead ore and calamine in land at Pantypydew and Chwarel Wen, parishes of Holywell and Ysceifiog, co. Flint, containing 200 acres) (map endorsed).
Term: 21 years.
Royalty: 20s. per ton of lead ore, and 5s. per ton of calamine.
Counterpart of D/GR/255.