George James Antiques has dated this piece to the Victorian era.

Birmingham. 1900. G. W. Harvey & Co
Birmingham. 1900. Joseph Gloster
Birmingham. 1903. Arthur Cook
Birmingham. 1905. Thomas & Marshall
Chester. 1905. John Thompson & Sons
Chester. 1919. J. R. Attenborough Co. Ltd
Largest 4.7cm x 3.5cm x 0.7cm
Smallest 3.3cm x 2.5cm x 0.6cm
George James Antiques has dated this piece to the Victorian era.
You can view the stock and full dealer information on the George James Antiques Profile Page