Set of Three Stig Lindberg Veckla Stoneware Vase & Bowls Gustavsberg Sweden

Set of three Stig Lindberg stoneware pieces from the ‚Veckla‘ series, designed around 1952 and produced until the late 1950s to early 1960 at Gustavsberg factory in Sweden. 
Matte white ‚Carrara‘ glaze, two of them stamped with the Gustavsberg logo underneath. 
The closed ‚shell‘ has a few superficial metal scratches on the inside, a few marks here and there.
Vase height: 14.5 cm
Vase width: 15.5 cm
Depth: 5 cm
Shell bowl width: 17.5 cm
Depth: 8 cm
Height: 6.5 cm
Open bowl width: 14.5 cm
Depth: 9 cm
Height: 5 cm