The Vintage Wrist Watch Company has dated this Silver Double Albert Chain to the 1910s.
Each of the links has the silver lion mark.

Each chain measures 23cm long including the T-bar and the clasp.
There is also a later silver fob, 26mm wide, 30mm high excluding the loops. The front has an image of a cyclist. The reverse is free from inscriptions, and is hallmarked for 1964 with a maker’s mark for the Birmingham silversmith Thomas Skelton.
Total weight 48g.
The Vintage Wrist Watch Company has dated this Silver Double Albert Chain to the 1910s.
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