Which ancient civilization first introduced standardized product pricing and retail 'price tags' to improve the customer shopping experience?

Before modern shopping malls and e-commerce, ancient civilizations pioneered retail innovation and customer experience. From the bustling markets of Mesopotamia to the complex trade networks of Rome, discover how our ancestors revolutionized commerce with technologies and customer-focused approaches that would influence retail for millennia. Test your knowledge on how ancient civilizations approached retail technology and innovation in ways that might surprise you!

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Ancient Rome, with the tabella system in forum marketplaces around 200 BCE
Lydian kingdom (Western Anatolia), using coin-based price indicators around 600 BCE
Ancient Egypt, with papyrus price scrolls in merchant stalls during the New Kingdom period
Harappan Civilization of the Indus Valley, using clay token price markers around 2500 BCE