Michael Johnson Antiques has dated this piece to the 1850s.

It’s completely original showing an engraving of MINNA to the centre. It comes with its original key with working lock. The interior comprises of four ebonised wood sewing reels. A lovely collectors example.
Materials:
Ebony, enamel, tortoise shell and brass
Age;
1850
Size;
Length: 23cm
Width: 12.5cm
Height: 4.5cm
Reference Number: TJ382996
Michael Johnson Antiques has dated this piece to the 1850s.
You can view the stock and full dealer information on the Michael Johnson Antiques Profile Page