CIRCA 1800, IRON RED STENCILED MANUFRE DE M.GR LE DUC D'ANGOULEME A PARIS MARKS, GILDERS DL MARK TO ONE

The manufactory of Dihl and Guérard, under the patronage of the Duc d'Angoulême from 1781 until the Revolution, seems to have continued to use their patron's name even after the privilege had expired.