Woodbridge Antiques has dated this piece to the Victorian era.
Clear hallmarks are visible under the spring for the Birmingham Assay Office with a date mark for 1886 along with the maker's mark for 'HB'

A superb sovereign case, unusual and rare design making it very much a collector's item.
Hallmarks and maker's marks: Birmingham 1886 HB
Condition: In great antique collector's condition.
Measurements:
Diameter width 3 cm approx. Height inc. push button: 3.7 cm approx.
Woodbridge Antiques has dated this piece to the Victorian era.
Specialists in quality antique silver, fine jewellery & accessories
You can view the stock and full dealer information on the Woodbridge Antiques Profile Page