Roboknight 2007 Mystery Geocoin

Cool coin but only on Ebay... It's shaped like a question mark after a mystery cache. I guess there is "a hidden black light message on both sides of the coin too. There were 250 of these made. 2" high by 3.5mm thick. The coin is trackable with icon. You can search for "Roboknight 2007" on ebay or try here.