[muawiyah]

How about those "impressions" of the brass bulls in the mud?

Those ultimately became much more important than the brass or the bulls. Gold and silver didn't become money until AFTER that time, although both were in use in ancient Sumer.

[mugs99]

How about those "impressions" of the brass bulls in the mud?

They went beyond money. Religious icons are not used in common trade. I've lived in places where a Hershey bar had more monetary value than government paper or coin.
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