This vintage Zanetti Murano hand-blown glass Infinity Knot is a rare and beautiful piece that will add a touch of elegance to any collection. The unique blue infinity knot design is a testament to the skilled craftsmanship of mid-20th century Italian glass makers. Made in Italy during the 1960s-1970s, this art glass paperweight features a stunning clear striped, blue cerulean color and was produced using amazing hand-blown glass techniques. The Art piece is stunning! It is in excellent condition and will be a perfect addition to any collection of decorative pottery and glassware.