About: http://webisa.webdatacommons.org/280711101

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	The following link is close, but not exact to what they are:http://www.rubylane.com/item/466262-248/Vintage-Pair-Gold-Sommerso-BarbiniAll we have for markings on them is a simple Made in Italy and W90 on the bottoms.
http://www.w3.org/ns/prov#wasQuotedFrom	glassmessages.com