On the ground-floor are three Ionic columns and on the first floor a semicircular gallery, while the dome that crowns it is occupied by a Gallic cock, resting one foot upon the "Charte" and holding in the other the scales of Justice.
Behe-oinean hiru pilare joniko dauzka, eta lehen oinean puntu-erdiko arkuz lorio bat, eta aldiz burutzen duen tinpanoa galiar oilar batek betetzen du, hanka batez Kartan finkatua eta besteaz justiziaren balantza sostengatuz.