Lot Essay
Jean-Claude Boyer suggère une attribution à Sylvain Bonnet pour le verso, d'une autre main et d'une période antérieure au le dessin au recto.
Jean Claude-Boyer suggested that the verso, by an earlier hand than the recto, could be attributed to Sylvain Bonnet.
Jean Claude-Boyer suggested that the verso, by an earlier hand than the recto, could be attributed to Sylvain Bonnet.