A French document titled "AVIS A LA CLIENTELE" displays a list of objects and instructions, including a list of objects and instructions for the Direction Générale de l'Office de la Poste Guineenne (OPG), a list of objects and instructions for the Direction Générale de l'Office de la Poste Guineenne (OPG), and a list of objects and instructions for the Direction Générale de l'Office de la Poste Guineenne (OPG).