Superb Art Nouveau copper cased 8 day movement mantle clock with stylised repousse design and three ruskin type ceramic cabouchons, by noted manufacturer William Tonks & Sons (stamped marks); c1905.
Approx 11.5" high.
A similar but silver plated version is illustrated p14 in "Collecting By Design";
Silver & Metalwork of the Twentieth Century from the Margo Grant Walsh Collection, The Museum of Fine Arts, Houston, Texas.
