About: http://webisa.webdatacommons.org/12409747

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	In the past, there has not been any method of providing an electronic hidden image game piece of the type described, and such game pieces were always produced on a substrate, such as a paper or plastic substrate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com