<http://webisa.webdatacommons.org/prov/83868469>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/129610587> .
<http://webisa.webdatacommons.org/129610587>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/129610587>	<http://www.w3.org/ns/prov#value>	"With many years of experience and vast knowledge, we have written over 100 articles for collectors on authentication and appraisal issues for such publications as Autograph Collector Magazine, Antiquarian Booksman's Weekly, American..." .
<http://webisa.webdatacommons.org/129610587>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<worthpoint.com> .