Square blue/green Murano glass bowl designed by Gino Cenedese. Bowls like this one were made by several manufacturers, including Archimede Seguso, Venini and Cenedese. Cenedese sticker has been removed during cleaning. Very similar items by these makers are shown in the book Italian Glass: Century 20 by Leslie Pina.
In a stunning combination of turquoise green glass cased in a band of blue glass, which is further encased in clear glass, using the renowned Venetian sommerso technique. Smaller round bowl of same style and technique.