Overlay Beaker with Sulphide. Very thick colorless glass cased with opaque white then sapphire-blue; free-blown with design cut through to colorless core or base. Long sides spreading in slight concave curve from projecting base to plain rim; geometric design, opaque white piping between colorless (core) reserve and blue surface ground -- on sides, wide band having discs in ends of vertical intersecting ellipses and, in front, large ellipse with portrait medallion (sulphide bust) marked "E. KIRCHNER" on blue ground, and half-discs in spandrels between ends of ellipses; short round-top arches on side of base; smooth colorless bottom.