An interesting approach to PI marketing

An interesting approach to PI marketing

Are you an eBay buyer or seller?  I'm a fairly regular buyer.  But this week I think I got the funniest surprise I've had when receiving an eBay package.

I bought a second CD.  It was a seminar lecture on sales & marketing.  But when it arrived, stuck to the outside of the envelope was a sticker.  The sticker was asking me to call a Manchester number, ask for "Accident Helpline" and give them the name of someone who had recently had a car accident.  In return I would be given £100.  I kid you not, in fact, if you don't believe me.  Here's a scan of the envelope.

Anyone know which firm is behind the scheme, I've been trying to find out.