Which ancient civilization invented the first standardized retail pricing system using price tags on goods?

The ancient world had sophisticated retail systems that laid the groundwork for modern commerce. From the agoras of Greece to the forums of Rome and the bazaars of Mesopotamia, ancient civilizations developed complex supply chains and retail strategies that supported their growing economies. Test your knowledge about these early commercial innovations that shaped how we buy and sell today.

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Ancient Egypt, where merchants in marketplace stalls marked papyrus price tags on goods during the New Kingdom period
Mesopotamian Babylonians, who used clay tablets with cuneiform pricing attached to merchandise in the markets of Babylon
The Lydians of Asia Minor, who invented coinage and simultaneously developed marked prices on goods in their market stalls
Ancient Rome, where the forum markets required merchants to display bronze price markers as part of Diocletian's price controls