NAPOLÉON IV (1856-1879) Prince Imperial, son of Napoleon III. Original drawing; 22.7 x 35 cm. Child's pen-and-ink drawing, given to the minister Eugène Rouher. Mountainous landscape, with a bridge, and crossed by railroad tracks. On two rocky peaks, a crenellated tower and a house. Enclosed is a cut-out signature with 2 autogr. lines of the Prince Impérial; and an envelope a.s. by Eugène Rouher addressed to "Son Altesse Impériale Monseigneur le Prince Impérial" in Natal (Southern Africa).