About: http://webisa.webdatacommons.org/210222097

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	letcloseA method which helps to reveal past restoration and the extent of varnish layers.Viewed under ultraviolet light the painting has a patchy green fluorescence in many areas, particularly in the background.
http://www.w3.org/ns/prov#wasQuotedFrom	npg.org.uk