About: http://webisa.webdatacommons.org/180138386

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	Such types were produced during the era of popular demand for the more expensive cut glass that is, between 1900 and 1915, and the place was mostly the Pittsburgh area.
http://www.w3.org/ns/prov#wasQuotedFrom	collectorsweekly.com