A late George III mahogany writing slope by N. Middleton

A late George III mahogany writing slope by N. Middleton, with brass mounts, the hinged lid revealing a baize lined writing surface, with a lidded pen tray flanked by two compartments and inkwells, with a detachable rest, with a printed trade label with the Royal Coat of Arms inscribed 'N. Middleton 162, STRAND, OPPOSITE NEWCASTLE STREET, the Corner of Strand Lane....', with brass side carrying handles, 15.7cm high, 45cm wide, 25cm deep.