Which ancient civilization first introduced a standardized consumer product grading system for retail goods around 2000 BCE?

The ancient world had sophisticated retail systems that shaped consumer behavior and established commercial practices we still see today. From the agoras of Greece to the forums of Rome and the bazaars of Mesopotamia, ancient civilizations developed complex retail experiences and product launch strategies. Test your knowledge about how our ancestors approached commerce and consumer engagement thousands of years ago.

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Mesopotamian (Babylonian) merchants, who created clay tablet certifications for different quality levels of textiles and oils
Egyptian traders, who used hieroglyphic markings to indicate the quality tiers of papyrus products
Indus Valley merchants, who stamped pottery with seals indicating three levels of craftsmanship
Chinese Zhou Dynasty officials, who implemented bronze-cast quality markers for silk and jade products