Hi guys, so I managed to get an Erik Goplen hand drawn and signed with 6.98 written design of the BMW E46. Can anyone give me an idea of value? I also have a design drawn by A. KATT ALDO SIGNED AND DATED 6.98 I HAVE SEARCHED HELL AND HIGH WATER WITH NO LUCK ON A. KLATT. it is an interior design hand sketch. Does anyone know the value of this drawing and who A. KLATT is