"China 19th Rinse Jadeite Brushes"
Rare Jadeite hard stone brush rinser. China, 19th century. nice pattern carved all around, with branches, and small animal (monkey?) good condition, to report a small lack at the top of a sheet, see photos. without gravity. No cracks. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato