In Portrait of Willem Pottey, Lawyer and Accountant-General of Flushing, the viewer sees a dignified man dressed in dark, formal attire. The colors are rich, with deep browns and blacks dominating the palette, accented by the subtle highlights of the subject's face. The background is a muted tone, allowing the figure to stand out prominently.

The painting captures a moment of contemplation, as Pottey gazes slightly off to the side. This work is painted in oil on canvas, a common medium during the Dutch Golden Age. The artist, Nicolaes Maes, employs a realistic style, showcasing intricate details in the fabric of Pottey's clothing and the texture of his skin. The composition is balanced, with Pottey positioned centrally, drawing the viewer's eye.

The lighting is soft, enhancing the three-dimensionality of the figure. Nicolaes Maes was a prominent Dutch painter known for his portraits and genre scenes. This particular work, created in the 1660s, reflects the artist's transition from genre painting to portraiture, marking a significant phase in his career. An interesting fact about this painting is that it not only serves as a representation of Pottey's status but also highlights the importance of civic duty in 17th-century Dutch society.