About: http://webisa.webdatacommons.org/153238726

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	Prices, particularly for proof and uncirculated coins of recent years, peaked in the spring of 1964.
http://www.w3.org/ns/prov#wasQuotedFrom	ngccoin.com