Ink and wash on brown paper, 1860, signed 'Allemand' and dated lower right, with a pencil sketch on the reverse; together with Continental School: Mont St. Michel Crypt, ink and wash on blue paper mounted to paper, signed 'Barth' and titled lower right, inscribed 'Johan H. van Kervel Barth' on the reverse of the mount; and Cavern Tomb, ink and wash on paper, unsigned. Ruins 12 1/2 x 13 in. (sheet); Crypt 11 3/4 x 9 in. (sheet); and Tomb 10 x 17 3/4 in. (sheet); all unframed. Condition: Ruins- some pale staining; otherwise in good condition. Crypt- tack holes at the top corners; foxing, staining, and surface soiling. Tomb- small tears and losses at the sheet edges; a crease at the top right corner; pale staining; hinged to the backmat at the reverse of the sheet corners, reverse of sheet not visible.,