date on back is 1917
A friend of mine came across these at a garage sale and made copies for me. The CAVC one is dissimilar from the other two and appears to be of much newer construction. The folks at the Antique Road Show consider them to be curios from at least the late 1930s. Perhaps my gentle readers can contribute their ideas on them as well. They do seem to be the real McCoy at first glance.
BVA Ouija Board
Here’s the one marked BVA. The date on back is illegible.
Lastly , the newest by far is the one marked CAVC:
asknod
Bethanie Spangenberg
kcraveiro
robinhoodesqvetsatty
Wesley McCauley
Veterans Claims Help 
The Wizard of OZ had these models. Wicked Witch of the West had one until she was melted by young vet named Dorthy or ToTo. Details vague, but ToTo claimed he had a bad back and four numb paws.