Probably from an 18th/19th Century device. Now set into silvered and ebonized frames. Diameter of seal 1.5 in., framed 12.75 by 10.75 in

Early 19th century 19th century bronze 19th century sofa Century furniture Century sofa Glass-Midcentury 19th century mercury glass 18th century russian silver Century furniture sofa Porcelain-Midcentury Pottery-Midcentury 18th century russian silver cup