Which ancient civilization first used standardized royal seals on products as a form of quality control and brand recognition across their trading network?

Before modern logos and trademarks, ancient civilizations used powerful symbols to represent their rulers, cities, and goods. These symbols functioned much like today's brand recognition elements, creating instant identification and conveying authority or quality. Test your knowledge about how ancient cultures used visual symbolism as a form of early 'branding' to establish recognition across vast empires and trading networks.

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Indus Valley Civilization (c. 2600-1900 BCE) with their square steatite seals featuring animal motifs
Ancient Egypt (c. 3100 BCE) with their cartouche system for pharaonic names
Mesopotamian Sumerians (c. 3500 BCE) with cylinder seals for administrative purposes
Minoan Civilization (c. 2000 BCE) with their distinctive bull and labrys (double-axe) imagery