This simple fact in no way contradicts chartalism nor credit-concepts of money. It augments them
Category: origins of money
Commodity exchange units-of-account almost certainly predate 3500 BC temple state-money. Neoclassical Econ is still nonsense.
It is not only perfectly possible for there to be a role for early exchange for understanding the origins of currency systems. It is almost surely necessary.
Clint Ballinger 