A WHALEBONE AND TORTOISESHELL DOUBLE-BLOCK

Details
A WHALEBONE AND TORTOISESHELL DOUBLE-BLOCK
AMERICAN, POSSSIBLY NANTUCKET, 19TH CENTURY

Rectangular with bowed sides, the form comprised of two tortoiseshell edges flanking a whalebone divider, the interior fitted with grooved disks, the whole bound with rope--4in. length, 1¾in. wide
Provenance
Sotheby's New York, The Barbara Johnson Whaling Collection, Part IV, 16 December 1983, lot 553