Vellum porcelain, mimicking look of bone.Vellum was created by Doulton art director John Slater, and his successor Charles Noke produced many highly regarded creations in the material, which was meant to convey the look and feel of ivory, which was popular as a medium in the late 19th century. Artist: Charles NokeIssued: 1892Dimensions: 10.5"HManufacturer: Doulton BurslemCountry of Origin: England Condition: Some restoration to hand, one ball.