Concept:Token money is currency whose face value is greater than the value of the material it is made of.Explanation:The material used to make coins or notes has low intrinsic worth.But the government assigns them a much higher face value.They are accepted as money because of this official value, not because of their material content.Therefore, the key feature of token money is that its face value exceeds its material value.Answer:C. Money with face value higher than its material content.