Which ancient civilization pioneered the use of price standardization with marked clay tags attached to goods in marketplaces around 3000 BCE, effectively creating the world's first price tags?

Before modern shopping malls and e-commerce, ancient civilizations created sophisticated commercial systems that influenced retail practices for millennia. From the agoras of Greece to the forums of Rome and the grand bazaars of Mesopotamia, these early marketplaces featured advanced pricing strategies, specialized retail spaces, and even early forms of branding. Test your knowledge about these ancient retail innovations that set the foundation for modern commerce!

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Mesopotamian (Sumerian) merchants
Egyptian traders under Pharaoh Khufu
Indus Valley marketplace administrators
Early Chinese Zhou Dynasty retailers