An early 20th century Gustav Becker brass torsion anniversary mantel timepiece, the silvered circular dial with black Arabic hour numerals, the backplate with stamped maker's mark and indistinctly numbered, above a disc pendulum, on a circular base with glass dome, total height 28.5cm, together with two other Gustav Becker brass torsion anniversary mantel timepieces with glass domes, heights 28.5cm and 29.5cm.