Sir Joseph Sidney Yorke 1768-1831 aged three years. Mezzotint engraving by Valentine Green 1739-1813 after Catherine Read 1723-1778. Scratch letter proof impression 1772. Printed on laid paper. Slight loss to upper right margin. Slight surface scuffing. Soft creasing lower edge. Overall good. 33 by 45.5 cms. pl. 35.5 by 47.5 cms sheet.