George James Antiques has dated this piece to the 1890s.

Birmingham. 1886
Birmingham. 1900
Birmingham. 1901
Birmingham. 1902
Birmingham. 1903
Chester. 1915
Birmingham. 1924
Chester. 1925
Birmingham. 1930
Birmingham. 1930
Birmingham. 1930
Birmingham. 1961
Largest - Height 2.4cm. Diameter i.7cm
Smallest - Height 2cm. Diameter 1.6cm
George James Antiques has dated this piece to the 1890s.
You can view the stock and full dealer information on the George James Antiques Profile Page