Set of 4 old Digoin sandstone bowls

Bowls, small salad bowls made of digoin sandstone. Used as a breakfast bowl, or aperitif containers. Emailed inside, raw on the outside, the top edge is varnished brown. Good general condition. Weight of a bowl about 430g. 7 cm height / 2.75" 13.5 cm diameter / 5.31" Diameter at the base 8.4 cm / 3.3".