Study of the legs of a draught-horse pulling a harrow, driven on by a farm labourer

Attributed to George Stubbs, A.R.A. (Liverpool 1724-1806 London) Study of the legs of a draught-horse pulling a harrow, driven on by a farm labourer with inscription 'Stubbs' (lower right) pencil, heightened with white, on buff paper 4 1/8 x 9 ¾ in. (10.6 x 24.8 cm.)