Which ancient civilization invented the world's first known retail price tags, attaching clay tablets to merchandise with fixed prices to eliminate haggling?

Long before modern shopping malls and e-commerce, ancient civilizations pioneered sophisticated retail systems that laid the groundwork for today's commercial practices. From the bustling agoras of Greece to the complex trade networks of Mesopotamia, these early retail innovations transformed human society. This trivia question explores how ancient civilizations revolutionized the way goods were marketed, sold, and distributed - creating retail innovations that would influence commerce for millennia to come.

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Babylonian Empire (circa 1800 BCE)
Roman Empire (circa 100 CE)
Han Dynasty China (circa 200 BCE)
Ancient Egypt (circa 1500 BCE)