(Note: Measurements are outside max. dimensions unless stated otherwise).18th Century : Vase-shaped urn with fern decoration.Height from underside of collar 39mm. (1 9/16") Max diam. of vase 16mm. (5/8")Collar diam. 10mm. (3/8")It is recommended that if selecting screw thread option, a pilot hole is drilled and pre-cut with a steel screw of slightly smaller size before screwing in the casting to avoid shearing.