"17th Century Straight Leg Blown Glass"
Rare very slightly amber translucent blown glass (fern glass which gives it this color) frustoconical cut, very thin and straight leg, rounded foot with trace of pontil. Extremely light and thin glass with great elegance. Very good condition Height: 12.5 cm Diameter of the cup: 6.5 cm Diameter of the foot: 6.5 cm Probably Liège work from the second part of the 17th century 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato