Which ancient civilization pioneered the use of distinctive clay seals as a form of product packaging and brand identification for merchant goods?

Before modern retail stores and shopping malls, ancient civilizations had sophisticated marketplace systems with their own branding, packaging, and consumer demographics. The agoras of Greece, forums of Rome, and bazaars of Mesopotamia were hubs of commerce where merchants developed surprisingly advanced techniques to attract customers and differentiate their products. Test your knowledge about these ancient retail practices that laid the foundation for today's commercial world!

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Mesopotamia (particularly during the Uruk period, 4000-3100 BCE)
Ancient Egypt (during the New Kingdom, 1550-1070 BCE)
Ancient China (during the Zhou Dynasty, 1046-256 BCE)
Maya civilization (during the Classic period, 250-900 CE)