Circulatory System, Old Anatomical Illustration with Great Pose Art Deco sculpture I believe the wood is

I believe the wood is oak

as the sender describes

It looks to me that this cover was postmarked 1865

documented in photos

I like to imagine this sign once hung above a big back booth at a local diner

Circulatory System, Old Anatomical Illustration with Great Pose Art Deco sculpture I believe the wood isI haven't been able to find the source on this one, but believe it dates to the early 20th century or so. No layers or fold out parts, but with two horizontal fold lines, surely a fold out insert in a volume on human anatomy. I love his face, and his pose, looking like a swimmer with a circulatory system of a bathing suit and lozenge shaped tattoos! 16 1 2 x 8 7 8 and in very good, clean condition, lies flat. One small tear to upper left of paper