This is a rare and impressive large-scale portrait engraving of Louis de La Vergne-Montenard de Tressan, a distinguished French Catholic archbishop and theologian. This piece represents a high-water mark of 18th-century French portraiture, showcasing a collaboration between two masters of the era. Historical Significance & Artists: The Subject: Louis de La Vergne-Montenard de Tressan, depicted here in his ecclesiastical finery with a prominent pectoral cross. The Painter: Inscribed "Peint par Desmares", identifying the original artist as Guillaume Desmarées, a celebrated court portraitist known for his refined technique. The Engraver: Inscribed "Gravé par le Chevalier Edelinck". Gérard Edelinck was arguably the most famous engraver of his time. His skill was so extraordinary that Louis XIV granted him a title of nobility and French citizenship. The Royal Seal: Marked "C.P.R." (Cum Privilegio Regis), indicating this work was produced under the King’s Privilege—the 17th/18th-century equivalent of a royal copyright. Physical Description & Condition Dimensions: Artwork measures approximately 16 1/2" x 13", plus additional card margins. Medium: Copperplate engraving on paper, currently glued to a backing card. Condition Details: * Tear: There is a visible tear at the bottom center of the artwork, extending into the decorative plinth (see photos). Margins: The outer card margins contain nail holes, likely from a previous mounting or framing.