The item in the image is a silent butler, also known as a crumb catcher or ash catcher. This antique or vintage brass item was historically used to collect crumbs from a dining table or ashes from ashtrays.
It is a small container, typically made of metal like brass, with a handle and often a hinged lid.
The object often came with a matching brush to sweep crumbs into it.
Silent butlers were common during the 20th century and are now often considered collector's items
11” long
3” across