(i) Sir Roger Mostyn of Mostyn, co. Flint, Baronet.
(ii) John Gibbons of Oswestry, co. Salop, esq.
All mines and seams of coal under certain lands within the manor of Mostyn (bounds described) and in Bighton and messuage called Shop Goch and under the sea as far as low water mark.
Term: 31 years.
Rent: 1s. per ton and free supplies to houses of Mostyn and Gloddaeth.
Note endorsed that this document was produced in evidence in Attorney General v. Mostyn, 1854.