Which ancient civilization first introduced standardized pricing tags on retail goods, revolutionizing the shopping experience around 3000 BCE?

The ancient world was home to sophisticated trading systems that laid the foundation for modern retail. From Mesopotamian marketplaces to Roman shopping complexes, ancient civilizations developed innovative retail concepts that would be recognizable even today. This trivia question explores one of the most significant retail innovations that transformed commerce in the ancient world. Test your knowledge about how our ancestors revolutionized the shopping experience thousands of years ago!

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Sumerians, who attached clay tablets with cuneiform pricing to goods in Mesopotamian marketplaces
Egyptians, who used papyrus price labels on goods in the markets of Memphis and Thebes
Indus Valley civilization, who stamped pottery with symbolic price indicators for trade
Chinese merchants of the Xia Dynasty, who used oracle bone fragments as price markers