Thanks for your patience as we fixed the issues relating to search results.
We have fixed all known problems related to searching by object number and title, as well as filtering on advanced search with the artist/maker checked.
You may need to refresh your cache in your browser if you are still having problems.
This website offers details on how to do this depending on your browser.
Do let us know if you find more. You can comment on the blog or email
webcontent@rmg.co.uk.