Portrait of a Man, Nicolaes Pietersz Duyst van Voorhou 

Frans Hals' "Portrait of a Man, Nicolaes Pietersz Duyst van Voorhou" is a masterful example of Dutch Golden Age portraiture. Hals was known for his ability to capture the personality of his sitters, as he has done here with van Voorhou. The portrait is characterized by a strong sense of realism and a dynamic composition, with van Voorhou depicted standing against a dark background. The bold brushstrokes and the lively, expressive face contribute to the overall sense of energy and vitality, which is typical of Hals' style. The painting's attention to detail, particularly in van Voorhou's lace collar and clothing, further elevates the piece and highlights Hals' remarkable skill.