John Hubbard Antiques has dated this piece to the Victorian era.
Original working lock and key.

Inside, two inkwells, pen tray and a beautiful black gilt embossed lamb skiver leather.
The writing boards opening to reveal stationery compartments and two secret drawers.
Circa 1870
Size: 15.3/4 (40cm) wide x 9.3/4" (25cm) deep x 7" (18cm) deep
Stock no: 4751
John Hubbard Antiques has dated this piece to the Victorian era.
You can view the stock and full dealer information on the John Hubbard Antiques Profile Page