Lot of two spherical vases, glazed pottery - signed / 1970s

Lot of two round vases, glazed pottery - approximately 1970s - only one of the two vases is signed. One of the vases (the one that is signed) has several impacts (see photos), the other is in perfect condition. Height 17 cm, diameter 18 cm. Weight 1 kg each, making 2 kg for the lot of 2 vases.