Guido Crepax (1933 – 2003). Guido Crepas, better known by his nom de plume Guido Crepax, was an Italian comics artist. He is most famous for his character Valentina, created in 1965 and very representative of the spirit of the 1960s. 5 x 3.2“ Original sketch of Valentina from 1991. Signed to the top left hand corner. Rare.