About: http://webisa.webdatacommons.org/300689118

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	Surreptitious markets arose, with exchanges transacted via barter, primitive forms of reciprocation, and currencies of various sorts, including the North Korean won.
http://www.w3.org/ns/prov#wasQuotedFrom	aei.org