> bank notes, as they also have a standard weight due to standerdized size and production method. LOL, I worked for a bank branch located in a low socio-econom

> bank notes, as they also have a standard weight due to standerdized size and production method. LOL, I worked for a bank branch located in a low socio-economic area. The pubs and bars would come in on Monday morning with huge wads of bank notes, wet with beer and whiskey, and it all had to be hand-counted as machines couldn't do it. We then had to bundle up excess notes and heat-shrink wrap them. I'm sure there were some pretty interesting bacterial colonies growing in there!