Art Nouveau / Art Deco era. This is a beautiful antique mantle clock. The clock is overwound so not sure of its running condition but it appears to be in excellent condition for its age and probably just needs a little fine tuning.

Brand: Unknown
Type: Mantel Clock
Antique: Yes
Color: Gray
Country/Region of Manufacture: United States
Era: Edwardian (1901-1910)
Material: Metal
Style: Art Nouveau