Which ancient civilization created the world's first known retail 'brand logo' for their exported products?

Before modern retail giants and online shopping, ancient civilizations had sophisticated trading networks and marketplaces. The Phoenicians created one of history's first far-reaching retail empires, establishing trading posts throughout the Mediterranean. Meanwhile, ancient Romans pioneered retail branding and consumer loyalty concepts in their marketplaces. Test your knowledge about these early retail innovations that laid the groundwork for today's commerce practices!

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Phoenicians, who stamped cedar wood exports with their distinctive purple dye mark
Egyptians, who marked their exported papyrus with pharaonic seals
Romans, who branded their olive oil amphorae with producer marks
Chinese, who marked their exported silk with imperial dragon symbols