This unique stacked disk lamp features a solid walnut base and spool-like central column in brown ceramic salvaged from most likely a brown ceramic electrical insulator piece. Marked with a gold mark at the column's base. Dimensions: 5.625" x 16.5" (overall) 5.625" x 5.625" x 16.5" (base) 11" x 13" x 9.5" (shade) Streamlined Moderne Collection GrpB 7.27