Which ancient civilization invented the first known retail price tag system, with fixed prices written on clay tablets for standardized commerce?

Before modern shopping malls and e-commerce platforms, ancient civilizations created sophisticated retail systems that shaped commerce for millennia. From the grand bazaars of Mesopotamia to the sophisticated market networks of Rome, retail innovation has ancient roots. Test your knowledge about how our ancestors revolutionized trade, created the first retail spaces, and established marketing principles still used today.

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Mesopotamia (Babylonians), circa 2000 BCE, who attached clay price tablets to goods in marketplaces
Ancient Egypt, where papyrus price scrolls were displayed next to goods in royal marketplaces
Classical Greece, where stone tablets with prices were mandated by law in the Agora markets
Han Dynasty China, who pioneered silk price cards attached to luxury goods for imperial trade