Which ancient civilization first used branded seals on merchandise as a form of product authentication and merchant identification?

In ancient civilizations, merchants and artisans developed sophisticated ways to distinguish their products in bustling marketplaces. From distinctive pottery marks in Mesopotamia to unique shop signs in Roman cities, brand positioning has ancient origins. Test your knowledge about how these early civilizations marketed their goods and services through visual and symbolic representation - long before modern logos and advertising campaigns existed.

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Indus Valley Civilization (c. 2600-1900 BCE) with their square steatite seals featuring animal motifs and script
Ancient Egypt (c. 1500 BCE) with papyrus certificates bearing pharaonic emblems
Ancient Greece (c. 700 BCE) with amphora makers' marks stamped on pottery
Han Dynasty China (c. 200 BCE) with silk trade seals bearing imperial insignia