| Title | Clock, Mantel |
| Artist/Maker | Marti et Cie |
| Date | late 19th century |
| Medium | Composite stone, black onyx, brass, glass |
| Dimensions | h. 18.75 x w. 11 x d. 6.25 in. (h. 47.63 x w. 27.94 x d. 15.88 cm) |
| Credit Line | U.S. Senate Collection |
| Accession Number | 54.00016.000 |
