About: http://webisa.webdatacommons.org/411713958

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	While technically not a Hank Greenberg single-signed ball, this example certainly can be displayed as such, especially considering the fact that most of the other signatures are stamps.
http://www.w3.org/ns/prov#wasQuotedFrom	robertedwardauctions.com