This image shows a backstamp for Warwick China, a company that produced pottery and porcelain from 1887 to 1951. 

• The company was located in Wheeling, West Virginia. 

• They manufactured various items including dinnerware, teapots, pitchers, and specialized brown glazed art pottery featuring portraits. 

• The "Semi-Porcelain" mark indicates the type of ceramic material used, which is commonly found on early 20th-century pottery. 

• Warwick pieces are collected for their historical interest and distinctive designs