important 1890s frank lloyd wright-designed luxfer prism company patent tile with original copper caming

frank lloyd wright-designed 19th century copper-camed prismatic tile with patent rights and beaded border. typically one patent plate for each panel, patent rights on the windows themselves were critical. while there aren’t drawings or documents that verify that wright designed this patent tile, consulted industry experts who know wright's work in this period well enough have confirmed are “totally comfortable with saying it is his”. furthermore, the design elements of this tile feature those similar to one in wright patent design no d27, 988’s “c, a series of dots, lines, or portions of lines on the other side.”