RARE Vintage Robert Eickholt Signed Art Glass Iridescent Rainbow Vortex Paperweight 1991. Dichroic, frosted iridescent vintage glass paperweight with a water droplet and waterfall design. See through and partially frosted and partially clear. Beautiful original piece, signed and dated on the bottom. Tiny nicks on the edges on the bottom, not noticeable. Measures approximately 4” in height.