3 vases sculpture black stoneware 1960s/70s

3 sculptures Vases balls black stoneware from the 1960s/70s. Scandinavian work Project for a florist or interior decoration These sculptures can be placed indoors or outdoors. Generally in good condition, with signs of use and age. 1 circular lime mark on the largest one. No missing pieces or cracks. Signature to be identified. It almost seems like a casting related to the work of the Danish Herbert Krenchel (casting and enamels). Height of the largest: 28 cm. Height of the medium: 24 cm. Height of the smallest: 14 cm. Total weight: approximately 7 kg. No shipping possible as they are too fragile.