Wine as collateral for bank loans http://www.ansa.it/site/notizie/awnplus/english/news/2009-08-18_118409241.html Indeed, if parmesan is OK, why not vino?
I wonder if this means that the cheap sh1t you buy at the supermarket would be called a CWO (Collateralized Wine Obligation)? You could have CCOs and CHOs too. I think this thing could go far...