Caving Geocoin, anyone..?
OK, so it was a toss-up whether to post this in Jokes, Speleo marketplace, or here. (I won't stoop to making the same post in multiple places.)
Anyway, I just saw this listing and couldn't resist sharing (the seller is in Germany) -
http://cgi.ebay.com/Bat-Bubbas-Caving-G ... 0078079601