Portfolio Michel Vaillant no.1 in a limited edition of 200 copies has been sold at Christie’s for a staggering Euros 5,875! Proof that Jean Graton is still a superstar. The numbered portfolio contains ten large lithos by the master himself, pantheon artist Jean Graton, and was published in 2000: from http://www.christies.com/LotFinder/lot_details.aspx?intObjectID=3870675 MICHEL VAILLANT PORTFOLIO n. 1/200…