Which ancient civilization first developed a standardized product 'branding' system using seals that allowed customers to identify authentic goods across their vast trading network?

Before modern retail technology, ancient civilizations created sophisticated commercial systems that influenced today's customer journeys and loyalty programs. From Mesopotamian clay tablets tracking purchases to Roman shopping complexes, these civilizations pioneered retail strategies we still use. Test your knowledge about one of history's most ingenious ancient retail innovations that revolutionized how merchants connected with customers across vast territories.

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Indus Valley Civilization, with their square steatite seals marking goods as authentic from specific merchants (2600-1900 BCE)
Ancient Egypt, with royal cartouche stamps indicating pharaonic approval of premium products (1500 BCE)
Phoenicians, with their purple-dyed thread attached to certified exports from Tyre (1200 BCE)
Han Dynasty China, with imperial chop marks guaranteeing silk quality along the early Silk Road (200 BCE)