A Russian Imperial Presentation Pearl and Sapphire-Set Enameled Silver Kovsh in Original Presentation Case Bolin, Moscow, 1899-1908 4-1/4 x 5-3/4 x 10-1/4 inches (10.8 x 14.6 x 26.0 cm) 522 grams PROVENANCE: With Wartski, London; Private Collection, California, acquired from the above; Christie's New York, Russian Art, April 18, 2008, lot 301; Acquired from the above by the present owner. Masterpieces of Russian Enamel from an Important American Collection HID12401132022 © 2024 Heritage Auctions | All Rights Reserved