South German or Flemish, second half 17th century, Sleeve. Photo Sotheby's
depicting a Bacchinalian scene, probably the central section of a tall, footed cup. ivory; height 2 5/16 in., 5.9 cm.; diameter 5 1/8 in., 13 cm. Estimation 5,000 — 7,000 USD.
Sotheby's. Important Old Master Paintings and Sculpture. New York, 30 janv. 2014 - www.sothebys.com