Carder Steuben Glass Portrait Plaque of Thomas Alva Edison with Metal Luminor Base, New York, 1929, rectangular plaque in colorless glass with cast leaded glass portrait of Thomas Edison, acid stamp fleur-de-lis mark, and "C1929 C.G.W.," metal base impressed "Edison Association Illuminating Co.," (scratches), ht. 10 1/2, wd. 8 1/2 in. Literature: "The Edison Plaques were originally made as favors for Henry Ford's October 21, 1929, banquet celebrating the fifteenth anniversary of Edison's invention of the electric light and grand opening of the Henry Ford Museum. Dimitroff, Thomas P., Fredrick Carder and Steuben Glass, Atglen, Pennsylvania: Schiffer Publishing Ltd., 1998.