DENIS PAPIN (most likely), entire letter with Napoleon 20 c. blue tied by Dotted Star with cds. “PARIS 5 DEC. 70” alongside, sent to a French prisoner of war in Germany, endorsed “par la voie de Nerviers” (Belgium route) and “prisoner following the surrender of Metz”, tiny cover fault not distracting, still fine and scarce, signed and certificate Scheller (2025)