King David Playing the Harp, c.1795. Oil on canvas, 125 × 100 cm. Private Collection. Photo Kim Lucas

Self-portrait as a monk, 13 March 1779. Oil on panel, 43 x 29 cm. Galleria Nazionale di Parma

John, Lord Mountstuart, in Masquerade Dress, 1763–4. Oil on canvas, 91.5 x 71 cm. Private Collection

The Holy Family, 13 March 1779. Oil on panel, 43 x 29 cm. Galleria Nazionale di Parma

Sacrifice of a Hindoo Woman upon the Funeral Pile of her Husband, c.1795. Oil on canvas, 101.5 x 127 cm. Private Collection. Photo: courtesy Christie's

Self-portrait with cap and palette, c.1778. Oil on canvas, 70 x 56 cm. Accademia Etrusca, Cortona. Photo: Antonio Quattrone