The title and article at OpenCulture say "5000 items"; the database view page says 5000 sharp (odd); the page at the collection 10000.

https://hrc.contentdm.oclc.org/digital/collection/p15878coll...

> The Ransom Center's movie poster collection consists of an estimated 10,000 posters and spans the entire history of film from the silent era to the present day

The view over the database:

https://hrc.contentdm.oclc.org/digital/collection/p15878coll...