A mahogany 18th century Antique Wine Slope bottle slope or cradle, these were  invented from the mid-late 18th century, designed to hold a bottle at an angle, which allowed the sediment to settle in one small area. They also allowed the bottle to be presented for easy drawing of the cork and preventing movement which would disturb the sediment.
 The semi-circular 'apron' at the front end of the cradle is to prevent drips reaching a table or table-cloth. 
It measures 32cm l x 11.5cm w x 10cm h