Folk Art American Staffordshire Bull Terrier (Boston Terrier Ancestor) 19th SOLD P291 Posted on April 5, 2012 by eric 19th Century oil on canvas of the Staffordshire Bull Terrier. Stud that was used to create the Boston Terrier Breed. Most likely a copy of another piece done in the period. Oil is 10.5′ x 11.5. Frame 14 x 15. Price on request.