[1][2] The collection was composed of more than 730 carved gemstones, including garnets, sapphires, emeralds and many cameos.
The most famous cameo, and the Duke's favourite, was 'The Marriage of Cupid and Psyche'.
A comprehensive catalogue was published in 1870 by Nevil Story Maskelyne.
[3] He made impressions and electrotypes, now in the Beazley Archive in Oxford, which have been published.
This article related to the history of the United Kingdom or its predecessor states is a stub.