Set of 6 signed pyrite stoneware cups

Set of 6 pyrite stoneware cups made and painted by hand. Produced in reuille vergy in côte d'or (alain prudhomme's workshop) in the 1970s. Each cup has slightly different shapes and colors. One of the cups is damaged. There is a shock on the handle and a shock on the edge. The rest of the service is in perfect condition. Diameter of a cup: 6.5 cm. Height: 6 cm. Capacity approximately 9 cl.