About: http://webisa.webdatacommons.org/94365784

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	The technique has become popular in the latter half of the 20th century but is rarely used on other than proof, pattern or specimen pieces.
http://www.w3.org/ns/prov#wasQuotedFrom	australianstamp.com