Benjamin Franklin. Line engraving by A. de St Aubin after C. N. Cochin, junior, 1777. https://www.rawpixel.com/image/14007053/image-face-frame-personFree Image from public domain licenseBenjamin Franklin. Stipple engraving, 1781, after J. B. Nini, 1777. https://www.rawpixel.com/image/13998766/benjamin-franklin-stipple-engraving-1781-after-nini-1777Free Image from public domain licenseBenjamin Franklin. Line engraving by J. Heath after J. B. Nini, 1777. https://www.rawpixel.com/image/14013623/benjamin-franklin-line-engraving-heath-after-nini-1777Free Image from public domain licenseBenjamin Franklin. Line engraving by P. A. Le Beau after C. L. Desrais after C. N. Cochin, junior, 1777. https://www.rawpixel.com/image/13977878/image-face-person-artFree Image from public domain licenseBenjamin Franklin. Mezzotint after C. N. Cochin, junior, 1777. https://www.rawpixel.com/image/13978092/benjamin-franklin-mezzotint-after-cochin-junior-1777Free Image from public domain licenseBenjamin Franklin. Line engraving by J. Lodge, 1777, after M. Chamberlin, 1762. https://www.rawpixel.com/image/13992861/benjamin-franklin-line-engraving-lodge-1777-after-chamberlin-1762Free Image from public domain licenseBenjamin Franklin. Lithograph by T. Landseer after J. J. Caffiéri, 1777. https://www.rawpixel.com/image/14017177/benjamin-franklin-lithograph-landseer-after-caffieri-1777Free Image from public domain license