About: http://webisa.webdatacommons.org/116107713

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	Stamps that are damaged or otherwise unusable for postage (because of humidity, moisture, or other causes) while in a customer??s possession may be exchanged only for an equal number of stamps of the same denomination.
http://www.w3.org/ns/prov#wasQuotedFrom	usps.com