The Vintage Wrist Watch Company has dated this piece to the 1900s.
Each of the links has the silver lion mark. Each chain measures 24cm long including the T-bar and the clasp.

Also included is a silver fob from the Birmingham silversmith George Loveridge, hallmarked for 1913. The fob measures 31mm wide and 36mm high. It is free from any personal inscriptions.
Total weight of the chain and fob is 53g.
The Vintage Wrist Watch Company has dated this piece to the 1900s.
Specialists in antique and vintage wrist watches and pocket watches
You can view the stock and full dealer information on the The Vintage Wrist Watch Company Profile Page