Portret van Alessandro Cagliostro

Robert Samuel Marcuard, after Francesco Bartolozzi, 1786

Portret van Augustus Keppel

Robert Samuel Marcuard, after Giuseppe Ceracchi, 1782

Portret van Francesco Bartolozzi

Robert Samuel Marcuard, after Joshua Reynolds, 1788

Portret van prentmaker Francesco…

Robert Samuel Marcuard, after Joshua Reynolds, 1788