Vintage Champagne Coupes, from the 1970s. Coupe is Gray Smoke Art Glass. Sasaki discovered a way to smoke their glassware that makes it unique. Stem is the Sasaki Twisted Clear Stem. They are blown glass, made in Japan. H 5in x Diameter 3.25in. Very Good condition. No chips. Rare Find. There are 2 sets of 2 glasses each. A beautiful addition to your vintage barware collection!