Good English Nickel Silver-Set and Bone-Edged Tortoiseshell Lap Desk, third quarter 19th century, the interior lined in emerald green baize and fitted with an ebonized wood pens tray and a pair of diminutive inkwell compartments, retains the diminutive period steel key, h. 3- 1/4", w. 10-3/4", d. 8-3/4".