A 1817 engraving by Ambroise Tardieu depicting Louis de Cassaignoles, a French deputy, presented in a formal oval portrait style.

This engraving by Ambroise Tardieu depicts Louis de Cassaignoles, a French politician who served as a deputy for the Gers department. Produced in 1817, the work captures the formal aesthetic typical of early nineteenth-century French portraiture. The subject is presented within a clean oval frame, a common convention for political and commemorative prints of the era, which focuses the viewer's attention on the sitter's features and attire.

Tardieu employs precise line work to define the textures of the subject's clothing, particularly the high collar and cravat, which were markers of status and fashion during the Bourbon Restoration. The shading within the oval is achieved through delicate cross-hatching, creating a soft transition of tone that gives the portrait a sense of volume. Below the image, the text identifies the sitter and his political role, providing a clear historical context for the print. This type of engraving was frequently used for documentation or as a frontispiece in political publications of the time.

The composition is balanced and restrained, reflecting the orderly approach to portraiture favoured by engravers working in the wake of the Napoleonic period. The print remains a clear example of the technical skill required for professional engraving in the early 1800s, where the artist had to balance the demands of likeness with the constraints of the medium. The clean margins and minimal ornamentation ensure that the focus remains entirely on the individual represented, adhering to the functional requirements of historical portraiture.