Picked up an old Clue game at Goodwill for a dollar and this was inside. It was originally found on the back of Post Toasties and although the pieces were cut from the box, it's in very good shape to be nearly 60 or so years old.

http://i40.photobucket.com/albums/e211/zoneboy/26eb8fee-6c4d-4ffb-adfc-f1df1b7ef5a8.jpg

http://i40.photobucket.com/albums/e211/zoneboy/5a9da6ad-b116-4a87-b436-0fbc55cfba30.jpg