When the desk is opened fully, a green baized writing slope is revealed, with an inkwell holder at the top [right], and a removable pen tray with compartment below. Both baized surfaces are hinged for storage below, though only the top section has a lock. On the underside of the top of the slope is a label (obscured) identifying the maker:
Elizabeth Elvey
Pocket Book, Dressing Case & Desk Maker.
Further details: Elizabeth Elvey