I believe they are Baccarat French Opaline and are very well done. They are 15 1/4 tall. The item "15 Pair Baccarat French Blue Opaline Art Glass Vases" is in sale since Friday, March 16, 2018. This item is in the category "Pottery & Glass\Glass\Art Glass\French\Baccarat".
The seller is "joescout1" and is located in Chaplin, Connecticut. This item can be shipped worldwide.