PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Unlike the official U.S. Navy example above, which is clearly marked as a U.S. Navy flag, this flag is an example of a private yacht ensign from the same period, circa 1895-1925.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rareflags.com