You will need to contact the owner's representative to arrange access.
In the case of this object this can be done by:
Calling Mike Chantler on 020 3375 7255
Writing to Mike Chantler at Farrer & Co, 66 Lincolns Inn Fields, London, Wc2a 3lh
Emailing Mike Chantler:
Reporting A Data Error:
Reporting An Access Error to the HMRC: