The Real Wood Furniture Company has dated this Carved Wooden Campaign Box to the 1910s.

Can be used for jewelry / documents / cigars etc as is or custom lined with leather or wood at a later date.
Carving inside from the British Army "31st Divisional Signals Royal Corps" with a silver plate 1916 plaque from their captain to his officers. Carving from the Latin motto “Quis separabit” meaning "Who will separate us”.
The Real Wood Furniture Company has dated this Carved Wooden Campaign Box to the 1910s.
The real wood furniture company (chris baylis) sells windsor chairs, decorative furniture and objects from large showrooms in the cotswolds
You can view the stock and full dealer information on the The Real Wood Furniture Company Profile Page