Gold leaf-covered paper board, linen-covered paper board.

circa 1905

24 3/8 x 16 3/4 x 2 in. (62 x 42.5 x 5.2 cm)
37 3/4 x 40 3/4 x 1/8 in. (96 x 103.5 x .4 cm) fully extended

Executed by the Wiener Werkstätte, Vienna, Austria. Cover embossed with artist's monogram and interior impressed WIENER/WERK/STATTE.