Cubist vase in black opaline 9590 by Anatole RIECKE

Black opaline cubic vase by the artist anatole riecke, decorated on one side with an abstract pattern. The decoration is made with natural pigments. Signed and numbered. Dimensions: see photos. Signs of wear on the bottom and inside, see photos. Glass stopper handles on the sides. I am selling 2 other vases from the same series by the same artist, see last photo.