DESIGNED BY JOSEF HOFFMANN CIRCA 1906, MADE BY THE WIENER WERKSTÄTTE 1906/1915

Model No. M552 (later Model No. 973).
This was amongst the most popular Gitterwerk designs created by Hoffmann for the Wiener Werkstätte. It was produced in white-painted zinc-plated sheet iron, base metal and silver. Production was continuous from 1906 to 1915.