Here's a website that offers rare and/or unique items, for sale. For example: Enron, Worldcom, Global Crossing stock certificates, etc.

http://www.scripophily.net/fraudscandis.html

Some of these items may be good conversation starters to hang on the wall in your office or as gifts to send to clients and prospects. 

Of course, when I came to the "fraud and scandal" section of this website, I immediately thought of these boards!