ALL WHALE IVORY SEAM RUBBER WITH KNOT CARVING. Made using a single piece of whale tooth ivory. 4" l. x 1 3/8" w. Top pommel with quality carved crown knot motif. Center section done in baluster style. Rubbing portion with nice carved detail where it meets the center shaft and incised lines around entire upper edge. Condition fine. Nice age color. Circa 1850. Quality example if its type.