This is an antique English Sheffield silver-plated meat dome, also known as a cloche. These items were popular in the 19th century and used to cover roasted meats and other dishes, keeping them warm and presentable until serving. 
Key features:
Material: Typically made from a base metal (like copper) coated with a layer of silver plate. 
Design: Often features ornate details, such as the decorative handle (finial) and engraved borders seen here. 
Functionality: Some sets included a matching platter with a "well and tree" design to collect juices, and a warming jacket for hot water. 
Era: This style is characteristic of the Victorian era, with many examples dating from the early to mid-19th century. 
Size: 14x10.5x9