I think bluespin for his contributions to this thread in 2018: https://pinside.com/pinball/forum/topic/post-project-pins-for-sale-here-cl-ebay-pinside-and-others .
-Rob
-visit http://www.kahr.us to get my daughterboard that helps fix WPC pinball resets or my replacement LED display boards for model H and model S Skee Ball