A rare Chinese biotite-sandwiched green glass... Lot n° 451

A rare Chinese biotite-sandwiched green glass snuff bottle, Imperial Glassworks, Beijing, 1720-1840 -- H.: 6,5 cm  The stopper made of pink glass.  Prov.:- The Hildegard Schonfeld Collection, Christie’s, New York, March 21, 2013, lot 1006 (Sold: USD 4.000) (link) - William Doyle Galleries, New York, 26 October 1983, lot 45. -- Titre en français: Une tabatière en verre sandwich biotite, Verrerie Impériale, Pékin, Chine, 1720-1840