Spirou et Fantasio - Fred Neidhardt - 3 original signed drawings

Set of 3 autographs: two featuring Spirou and one featuring Spouri (a parody of the Spirou character that appeared from 2010 onward in Spirou magazine’s issues, 'The Adventures of Spouri and Fantaziz' (F. Neidhardt)). All three were produced and signed by Fred Neidhardt.
Fred Neidhardt is best known for his comic-book scripts, notably the scripts for « Spirou chez les Soviets » - HS in the Spirou et Fantasio series (F Tarrin), « De l'or pour les bleus » and « Lincoln dans la ligne de mire » - 68th & 69th volumes of Les Tuniques Bleues (Lambil W). He has also contributed to the coloring of « Tombeau des Champignac » in the Spirou series by (Tarrin F).
The dedications are made on ordinary sheets of paper—in different formats (two of the three dedications are about 17 cm by about 21 cm, and the last is 11 cm by 15 cm)—and fixed (not permanent) onto cardboard supports. They are undated but signed; in very good condition, and several inking techniques are used (pencil drawing, fine felt-tip...