Which ancient civilization invented the first known form of 'branded' products, using distinctive seals to mark goods as authentic and indicate their origin?

The ancient world was filled with fascinating commercial innovations that laid the groundwork for modern retail. From the bustling agoras of Greece to the complex trade networks of Mesopotamia, our consumer habits have deep historical roots. Test your knowledge about the retail practices of ancient civilizations and discover how some of today's marketing and product distribution strategies have surprising ancient origins!

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Mesopotamia (Sumerians), who used cylinder seals on clay containers to identify the manufacturer and contents of trade goods
Ancient Egypt, who marked pottery and goods with hieroglyphic symbols representing royal workshops
Ancient Rome, who used stamped marks (sigillum) on products like pottery and bread to indicate the producer
Ancient China, who used distinctive markings on porcelain and silk goods to denote imperial workshop production