Which ancient civilization first implemented a standardized pricing system using price tags in their marketplaces?

Step back in time to explore the fascinating world of ancient retail and commerce! Before modern shopping malls and digital payments, ancient civilizations developed sophisticated systems for trade, pricing, and customer engagement. Test your knowledge about how our ancestors approached the art of selling, pricing, and promoting their goods in marketplaces that were the beating hearts of cities from Rome to Tenochtitlan.

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Ancient Egypt, with papyrus price markers attached to goods in the royal bazaars
The Roman Empire, with clay tablets listing fixed prices to prevent haggling in the Forum markets
Mesopotamia, where Sumerian merchants used cuneiform tablets to mark standard prices around 3000 BCE
Ancient Greece, where the Agora featured wooden price boards regulated by government officials