<http://webisa.webdatacommons.org/299930867>	<http://www.w3.org/ns/prov#value>	"A letter can be comprised of an invoice, marketing message, personal note and any other item that fits into a business-sized envelope." .
<http://webisa.webdatacommons.org/299930867>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/178940505>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299930867> .
<http://webisa.webdatacommons.org/prov/77112192>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/299930867> .
<http://webisa.webdatacommons.org/299930867>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stamps.com> .