Shop › Marc's DeVinci Sketch Book. Medium: Pencil on Paper, Size 7-5/8" x 4-3/4" Circa 02.03& 04.2019. Space Travel and Montana 2019, Level 4. Image 1 of 1 Marc's DeVinci Sketch Book. Medium: Pencil on Paper, Size 7-5/8" x 4-3/4" Circa 02.03& 04.2019. Space Travel and Montana 2019, Level 4. $50.00 Titled Space Travel and Montana 2019, Level 4. Add To Cart Added! Titled Space Travel and Montana 2019, Level 4.