A George IV Scottish rosewood and cut brass writing slope

A George IV Scottish rosewood and cut brass writing slope, by Wilson & Co, Edinburgh, the cover inset a plaque inscribed 'Euphemia Erskine', the fitted interior with paper trade label 'Wilson & Co,...71 George Street, Edinburgh...', the lock stamped 'GR (crowned) Patent' four times, a side frieze drawer, 6.5in (16.5cm) h, 19.75in (50cm) w, 10.75in (27.3cm) d.