I wouldn't take this topo seriously but I've long believed barter economies were probably supported with some other medium of exchange for larger shifts of wealth. https://www.ynetnews.com/real-estate/article/rjyazhvkeg
I have always been fascinated by the fact that Western human culture pretty much pretends Eastern human culture never existed. james
I'm reminded of the (possibly apocryphal) story that when someone asked Mahatma Gandhi what he thought of Western civilization, he replied, "I think it would be a good idea".