About: http://webisa.webdatacommons.org/185391731

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	It is used mostly of aesthethic reasons, the artist usually do not care whether the cross is Greek or Peter's, but they like it to be connected with the edge of the item it is engraved to, and cross of St. Peter is ideal for this.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com