About: http://webisa.webdatacommons.org/159799298

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	They are not all paper signs, some are made from various materials such as plastic, wood, fabric, leather, brass, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	obsessionistas.co.uk