Gravelines Northern France Aa River 1673 antique Priorato hand color city planGraveling (Gravelines, North France) by Gualdo Priorato. Published in Wien, 1673 by Michael Thurnmayer for " Schau Blatz des Niederlandes ". Fine late 17th century folio engraved plan of this north European town. With beautiful full hand color which greatly enhances the visual appeal of the map. One of the most interesting aspects of the plan is the clear delineation of the early fortified walls which still enclosed the city in the 17th century. The