This item is an ornate, vintage silver-plated teapot, likely in a Victorian Revival or Baroque style. Items of this style were popular from the late 19th century onwards as industrialization allowed mass production of less expensive silver-plated goods for the middle class. 
Etsy +2
Key Features
Material: It is likely silver-plated rather than solid sterling silver. Silver-plated items often lack a "sterling" or "925" mark, instead featuring marks like "EP" or "EPNS" (Electroplated Nickel Silver) on the base.
Design: The teapot features a rounded, bulbous body with elaborate, high-relief floral and scroll patterns (repoussé work), an ornate handle and spout, and decorative feet. These decorative elements are characteristic of the Victorian aesthetic, which favored highly embellished designs.
Condition: The metal shows a natural, deep patina and some tarnish, which can be an indicator of age.
Maker: The exact manufacturer cannot be determined without viewing the specific hallmarks or maker's marks, which are usually found on the underside of the piece. Common manufacturers of similar ornate silver-plated teapots include Towle, Wallace, and Webster Wilcox
Size: 9x9.5