Jean-Baptiste TROPPMANN (1849-1870) murderer, author of the "Pantin Massacre". Original drawing, signed and dated, December 4, 1869; 1page in-8 (19.5 x 14 cm, ink has corroded the paper in places). Rare pen-and-ink drawing of a giraffe, done in the Conciergerie prison [he had been arrested while trying to flee to America and finally confessed on November 12; he was guillotined on January 19, 1870].