Which ancient civilization invented the first known branded products with manufacturer seals as a form of product design and quality assurance?

The ancient world wasn't just about monuments and wars - it was also home to sophisticated commercial systems and product innovations that shaped human civilization. Many modern retail concepts actually have roots going back thousands of years! Test your knowledge about the innovative products and retail practices that emerged in ancient civilizations and how they revolutionized commerce in their time.

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Mesopotamians, who stamped clay tablets with merchant seals to guarantee authenticity around 3000 BCE
Ancient Egyptians, who marked papyrus scrolls with pharaoh emblems to indicate royal approval around 2500 BCE
Ancient Greeks, who engraved amphora with potter signatures to indicate premium olive oil around 600 BCE
The Roman Empire, which stamped coins with emperor profiles as the first government-backed product guarantee around 100 CE