Clairefontaine service with vine leaf decoration

Six plates + 1 dish on a shower foot in green glazed slip with shadowed enamels with scalloped rim and vine leaf decoration. From the clairefontaine earthenware factory. Anchor mark with initial rs, émile rigal and jules sanéjouand the managers of the earthenware factory. End of the 19th century. Good condition, small chips from use and firing defects, visible in the photos.