BOX OF COLOURED PENCILS Tintin in the Congo. Cardboard box illustrated on the front with a glued unpublished image of Tintin in the Congo. Rectangular model. Contains 12 used L&C Hardtmuth coloured pencils. Czech manufacture "L&C. Hardtmuth", 1948. Marked "L&C. Hardtmuth / Czechoslovakia/ N° 219/ 3130/ Copyright Hergé" in the lower part of the glued image. Wear, ink stain top left. 18.5 × 10 cm (used condition)