Correspondence relating to Finance and Management at the Penrhyn estate This collection of correspondencecontain various letters between the Penrhyn estate and many contacts regarding the management of finance in the estate. Mainly the correspondence relate to the improvements on the estate for the Settled Land Act. This folder also contains administrative letters, handwritten notes and calculations, copies of letters, invoices for the improvements and various financial summaries for the estate between 31 January 1955 and 30 March 1970. 31 January 1955- 30 March 1970