[FREEMASONRY]. Sovereign Prince Rosicrucian certificate of Pierre Jean-Baptiste Plaige, captain of the 30th line. Vellum, 34 x 46. Three wax seals with several physical alterations (broken and missing), ink stamps "Chapitre des Rose-Croix, 30e brigade de ligne" Under cover. Certificate awarded on 14 May 1803 to Captain Pierre Jean-Baptiste Plaige, captain of the 30th line, member of the Vrai Fraternité lodge, in the last grade of Masonry: "Prince of the Eagle and Pelican, perfect Mason, free [...], under the title of souv. de Rose-Croix". Small loss at left edge and some foxing.