Human Skeletal System, c. 1920s-40s Graphite on Card Anatomy Drawing Signed Charlotte Lehto lemon postcard nine on top and what

nine on top and what looks to me like a total of 15 underneath

documentation covers all pages

12" long x 7 3/4" wide (at wheels)

not visible from the front and it still sits flat

there's quite a lonely feeling to that hand-painted sign propped up in the snow and  surrounded by fallen limbs

Human Skeletal System, c. 1920s-40s Graphite on Card Anatomy Drawing Signed Charlotte Lehto lemon postcard nine on top and whatOne more by the Charlotte Lehto who did a gloriously colorful pair of drawings of the muscular system, listed separately, c. 1920s 40s I believe, signed lower right. Some old creases to the heavyweight paper as evident (shot under fluorescent light, which only amplifies them) but quite a beautiful rendering detail photos describe it best. 18" x 12" and in overall good condition, with general wear and creases to the paper as evident, but no notable