Trio of vintage handcrafted pyrite stoneware beer or cider mugs

Lovely trio of vintage handcrafted pyrite stoneware beer or cider steins, cups or mugs. Unsigned. Lovely shapes, slightly narrowed in the center, base decorated with two rings, pretty thin handles. Gray/khaki and chestnut brown enamel with pyrite spots. Different enamel on each. 11cm high, 12.5cm wide with handle, 9cm diameter. Very good condition, very good quality. Approximately 350g each.