$700
Doctor Q Spirit Slates. Los Angeles: F.G. Thayer, ca. 1940. Hardwood slates with hidden mechanism allows for the production of "ghostly" messages on the blank surfaces after the slates have been inspected and bound together. 10 ¼ x 8 ¼". Bound in red felt and wrapped with black twine. Facsimile instructions. Good condition.
Auctioneer:
Potter & Potter
Date:
2016-02-06