A formal portrait of the young Infanta María Teresa of Spain, painted by Juan Bautista Martínez del Mazo in the mid-seventeenth century.

This portrait depicts the Infanta María Teresa of Spain, daughter of King Philip IV, during her childhood. Juan Bautista Martínez del Mazo, a student and son-in-law of Diego Velázquez, captures the young royal with a formal composure typical of the Spanish court. The Infanta wears a dark, heavy gown adorned with a distinct grid-like pattern at the hem, contrasting with the delicate lace collar and the red ribbons that provide small accents of colour. Her hand rests gently upon a small dog, a common inclusion in royal portraiture to signify loyalty and domesticity.

The composition reflects the influence of the Velázquez studio, particularly in the handling of the dark, atmospheric background and the soft lighting that illuminates the subject's face. Mazo demonstrates a technical proficiency in rendering the textures of the fabric, from the sheen of the dark dress to the fine lace work. The Infanta's expression is serious, reflecting the rigid etiquette of the Habsburg court. The chair beside her provides a sense of scale and depth, grounding the figure within the space.

This work is a fine example of the court portraiture produced in Madrid during the mid-seventeenth century. It avoids excessive ornamentation, focusing instead on the status and presence of the sitter. The muted palette, dominated by deep blacks and earthy tones, allows the pale complexion of the Infanta to draw the viewer's attention. Mazo's ability to balance the formality of the subject with a sense of individual character is evident in the careful treatment of her features. This print captures the subtle brushwork and the sombre, dignified atmosphere of the original oil painting, making it a suitable addition for those interested in the history of European portraiture and the aesthetic traditions of the Spanish Golden Age.