Police whistle and stamp set. This set includes a police whistle bearing the francisque, with one of its sides slightly depressed. A stamp inserted in a pocket watch case. The stamp reads R.F Commissaire de Police Quartier de la Villette, XIX Arrondissement Paris. Set including a regulation police whistle featuring a francisque. One side slightly dented. Includes a stamp kept in a pocket watch box, marked R.F. Commissaire de Police, Quartier de la Villette, 19th Arrondissement, Paris.