This is a vintage silver-plated coffee or teapot, possibly from the Sheridan Silver Co. or F.B. Rogers Silver Co. 
It features an ornate, American Victorian pattern.
The material is silverplate, potentially over copper.
It has four ornate feet and a curved, decorative handle and spout.
The item has a natural patina, which is common for such vintage collectibles.
Size 10.5 tall x 10 handle to spout