Which ancient civilization invented the first standardized retail pricing system using clay tablets as 'price tags' for merchandise around 2000 BCE?

Before modern shopping malls and e-commerce, ancient civilizations created sophisticated retail systems that shaped commerce for millennia. From Mesopotamian bazaars to Roman macella (markets), these early retail innovations established practices we still use today. Test your knowledge about the world's earliest retail strategies and how these ancient marketplaces influenced global trade patterns and economic development across civilizations.

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Mesopotamian (Assyrian merchants)
Ancient Egyptian
Indus Valley
Ancient Chinese (Shang Dynasty)