A SILVER CENTERPIECE, maker's mark of Ball, Black & Co., 1851-1876, also stamped ENGLISH STERLING, the tri form and circular raised base with beaded band, issuing spherical and spreading cylindrical stem, the shoulder issuing three sides sphinx mask headed multi scroll support extending to base, the screw in shallow circular bowl with applied die rolled rim to exterior--12in. (30.4cm.) high, 42oz.