About: http://webisa.webdatacommons.org/394002232

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Primarily dating from the 18th and 19th centuries, object of vertu are made of precious materials such as crystal, mother-of-pearl, tortoiseshell, lacquer, carved hardstones, jewels, and as many as four colours of gold.
http://www.w3.org/ns/prov#wasQuotedFrom	christies.com