Cardsmiths Currency Trading Cards (Series 3)From Cardsmiths. Fusing together the past and present, the ancient and the cutting edge, Currency is the story of money and its effect on our everyday lives. Series 3 introduces collectors to the concepts of Austrian economics, the rapid growth of artificial intelligence, and even what the world's first electric battery may have looked like. Of course, no Currency set would be complete without giving a nod to the key influencers, alternate investment