Notes: 2 sheets in pencil, ink and watercolor on paper and on tracing paper pasted on paper, with a reference on the drawing to detail drawings 95, 96, 97 and 105, signed by Louis Goffin and stamped Louis Goffin & Cie Liège and with text: 'for copy conforming Liege October 4, 1878', [scale 1 to 1].