Gunnar Nylund trio Blue Biomorphic ARO and ASH stoneware bowls for Rorstrand

Set of three biomorphic Scandinavian Modern Ceramic Bowls in dark glaze. Design by Gunnar Nylund for Swedish Rörstrand. 1950's.
From the left: ARO bowl in blueish brown glaze, ASH bowl in dark yellowish green-brown and ARO bowl in blueish black.

Marked under the bottom incised signature "R (three crowns) SWEDEN GN ARO"

Very good condition with light signs of wear.

Dimension ARO bowl in blueish brown:
H 8 cm x W 16 cm x D 13 cm
H 3.15 in. x W 6.3 in. x D 5.12 in.

The other two, diameter 5-10 cm