Bowl made of colorless, slightly blue-tinged glass with a red interior, Seguso Vetri

Bowl made of colorless, slightly blue-tinged glass, ruby-colored interior and light blue and topaz-colored intermediate layer, square body with symmetrical walls, "Sommerso" technique, mouth edge and base polished. Shell is in intact condition. probably Seguso Vetri d'Arte, designed by Flavio Poli, Italy, around 1960-70. Height. approx. 9.7 cm, diameter: approx. 9.0 cm, weight: approx. 1700 grams.