A German or French turned ivory 'Tour de Force', 18th century and later. Photo Sotheby's

the base comprised of six hexagonally divided radiating lobes each rising to a finial within a spiral, alternating urn and star forms, surrounding a central cylinder comprised of a staggered stack of horizontal discs, a baluster rising above to open with a cup enclosing an urn, rising to a baluster stem supporting a stepped cylinder within a pierced sphere surmounted by a small urn-form finial. height 23 1/4 in., 59 cm. Estimate 40,000 — 60,000 USD. Lot sold 35,000 USD

Provenance; Sotheby's Monaco, November 30, 1986, lot 917

Sotheby's. Property from the Collections of Lily & Edmond J. Safra - Volumes I-VI. New York | 18 Oct 2011 - www.sothebys.com