What do limestone, leather, plastic and mulberry tree bark have in common? They've all been used to make money, plus lots of other materials besides! Join me for a quick jaunt around the world and through history and we look at a fraction of the history of currency.Shirt raising money for Ukraine Red CrossLinks to all the research resources are on the website.Hang out with your fellow Brainiacs.  Reach out and touch Moxie on Facebook, Twitter, or Instagram. Become a patron of the podcast arts! Patreon or Ko-Fi. Or buy the book and a shirt.Music: Kevin MacLeod, Steve OxenLearn more about your ad choices. Visit megaphone.fm/adchoices