Which ancient civilization invented the first known form of retail price tags, using clay tablets to mark fixed prices for goods in marketplaces?

Before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail systems that shaped our modern concept of commerce. From the bustling marketplaces of Mesopotamia to the elaborate trade networks of Rome, retail innovation has deep historical roots. This poll explores how ancient civilizations pioneered retail concepts that we still use today. Test your knowledge about the retail innovations that emerged thousands of years ago!

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Ancient Egypt, where papyrus price markers were attached to goods in the royal bazaars
Sumerians in Mesopotamia, who used cuneiform tablets to establish standardized pricing around 3000 BCE
Ancient Greece, where merchants in the Agora created wax tablets showing prices for imported goods
Roman Empire, where imperial decrees mandated labeled prices for consumer protection