(i) Sir Pyers Mostyn of Talacre, co. Flint, baronet.
(ii) The Kilmorey Lead Mining Company Limited.
All mines of lead and copper ore under certain lands of (i) in the parish of Holywell, co. Flint. Plan in margin.
Term: 21 years.
Rent: 1/12 part of ore raised without the need for engine-power for pumping and 1/15 part for ore raised with the need for pumping.