Aino Aalto, A 1930's footed glass bowl, model 4135. Karhula Glasworks, Finland.
Pressed light-blue glass. Diameter 30,5 cm.
Wear due to age and use. Wear at the bottom. Marks due to the manufacturing process and bubbles.
Compare this with the item illustrated in the book "Aalto Design Collection", published by Pertti Männistö 2022. Page 334.