Which ancient civilization first used a standardized retail pricing system with items marked with fixed prices rather than requiring haggling for every purchase?

Long before modern retail, ancient civilizations developed sophisticated trading systems and marketplaces that revolutionized commerce. From Mesopotamian clay tokens that tracked inventory to the complex trade routes of the Silk Road, these early retail technologies laid the foundation for today's global commerce. Test your knowledge about how ancient civilizations innovated in their commercial practices and the surprising retail technologies they developed thousands of years ago.

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Ancient Rome, where the Forum marketplaces introduced the 'pretium iustum' (just price) system around 200 CE
Ancient Egypt, where papyrus price lists were posted at trading posts along the Nile around 1500 BCE
Ancient China, where the Han Dynasty implemented the 'fair value decree' in markets around 100 BCE
Ancient Greece, where the Agora marketplaces used stone tablets with carved prices around 400 BCE