Political Caricature: 'The Spiritualists'; Anthony Walker; 1726-1765; British; formerly attributed to William Hogarth; 1697-1764; British; undated; Gray wash and pen and gray ink on medium; slightly textured; cream laid paper; Sheet: 9 x 10 1/2 inches (22.9 x 26.7 cm); bottles; caricature; coats; desks; devil; genre subject; hats; jesters; men; politics; swords; wings (costume accessories); women