A George IV rosewood and cut brass writing slope

A George IV rosewood and cut brass writing slope, the hinged lid inset a vacant plaque to a maroon and gilt tooled leather inset writing surface, with twin inkwells, pen rest and lidded compartment above three secret drawers, the lock stamped 'GR crowned, PATENT', with sunken side carrying handles, 6in (15cm) h, 18in (45.5cm) w, 10in (25.2cm) d. With key, restored.