In Saint Andrew, Nicolaes Maes presents the apostle Andrew in a contemplative pose. The colors are rich and warm, with deep browns and golds dominating the palette. Andrew's expression reflects a sense of serenity and introspection.

The background is softly blurred, focusing attention on the figure in the foreground. The painting is executed in oil on canvas, a common medium during the Dutch Golden Age. Maes employs a realistic style, capturing intricate details in Andrew's clothing and facial features. The use of chiaroscuro enhances the three-dimensionality of the figure.

Viewers can appreciate the texture of the fabric and the subtle play of light across the surface. Nicolaes Maes was a prominent Dutch painter known for his portraits and genre scenes. This work, created in the 1660s, reflects the influence of Rembrandt, particularly in the treatment of light and shadow. An interesting fact about this painting is that it was likely commissioned for a private collection, highlighting the personal devotion to Saint Andrew.

Today, it resides in the Mauritshuis, a museum renowned for its collection of Dutch masterpieces.