JOSEF HARTWIG, FOR THE BAUHAUS, DESSAU, CIRCA 1928

cf. Herbert Bayer, Walter Gropius and Ise Gropius, eds., Bauhaus 1919-1928, 1938, p. 44 for an illustration and description of the chess set pieces: a small cube and a large cube, a right angle surmounting square, a cube with cross cut from top on diagonal, a small cube set diagonally on a larger cube, and a cylinder and ball.