A Tibetan Coral, Malachite and Silver Necklace LATE 19TH/EARLY 20TH CENTURY comprising barrel-form malachite and red coral beads suspending endless knot-form pendants, weighed down by a large ruyi- form plaque chased with foliate scroll and a pair of confronting dragons, the reverse of the plaque bearing a two-character mark "Hengyuan". Length overall 22 1/4 inches.