Vintage Art Deco alibaster lamp with gilded bronze figures, the figures have carved bone face

Art Deco alibaster lamp with gilded bronze figures, the figures have carved bone faces. The light is set in top section of the lamp shinning down onto the figures.
The gilt bronze figures of maid Marion and Robbin Hood are mounted on a stepped stage and set in an arched way with a bunched up curtain to simulate a theatre setting.
Original condition, no damage.
Circa 1930
Height 30 cm.