You will need to contact the owner's representative to arrange access.
In the case of this object this can be done by:
Writing to Claire O'rourke at Lord Douro's Secretary, Apsley House, 149 Piccadilly, London, W1j 7nt
Reporting A Data Error:
Reporting An Access Error to the HMRC:
A tiara of graduated ribbon and foliate scrolls
Maker:  Maker Unknown
A tiara of graduated ribbon and foliate scrolls, the centre seven with bouton pearl and diamond circular cluster terminals.
THIS ARTWORK IS LOCATED IN:London
This item is available for viewing by appointment through the contact shown