Which ancient civilization invented the first known system of product standardization and quality control marks on commercial goods?

Before Yelp and Amazon reviews, ancient civilizations had their own ways of evaluating products and sharing opinions about marketplace goods. This poll explores how product reviews and consumer feedback functioned in ancient times, revealing fascinating insights into early commerce and consumer behavior. Test your knowledge about how our ancestors determined quality and value in their marketplaces thousands of years ago!

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Mesopotamia, with cylinder seals used as merchant marks on pottery and traded goods (c. 3500 BCE)
Ancient Egypt, with hieroglyphic quality marks on goods indicating royal approval (c. 3100 BCE)
Indus Valley Civilization, with uniform weights, measures and quality stamps for traded merchandise (c. 2600 BCE)
Ancient China, with official Zhou Dynasty inspection marks on bronze vessels and silk (c. 1050 BCE)