A formal portrait of Christian August, Prince of Anhalt-Zerbst, by the French court painter Antoine Pesne, capturing the subject in military regalia.

This portrait by Antoine Pesne depicts Christian August, Prince of Anhalt-Zerbst, a figure of historical interest as the father of Catherine the Great. Pesne, who served as the court painter to the Prussian kings, was a master of the Rococo style, known for his ability to capture the textures of military regalia and the subtle expressions of the European aristocracy.

The subject is presented in three-quarter view, wearing polished steel armour that reflects the ambient light. A heavy, ermine-lined cloak draped over his shoulder adds a sense of regal authority, while his hand rests upon a helmet, a common iconographic device in military portraiture of the eighteenth century. The background features a muted, atmospheric landscape with hints of a military encampment, suggesting his role as a Prussian general.

Pesne employs a restrained palette, allowing the metallic sheen of the armour and the soft, powdered wig of the Prince to draw the viewer's attention. The brushwork is precise, particularly in the rendering of the facial features and the intricate details of the sash and sword hilt. This work reflects the formal traditions of the period, where the sitter's status was communicated through specific symbols of rank and military service. The composition is balanced, with the figure occupying the centre of the frame, creating a sense of stability and presence. As a document of the mid-eighteenth century, the painting offers a glimpse into the visual culture of the Prussian court and the aesthetic preferences of the era's ruling class.