Which ancient civilization first developed standardized clay packaging seals that functioned as both product authentication and brand identifiers for long-distance trade?

The ancient world had sophisticated packaging methods that protected goods during long trade routes across deserts, seas, and mountains. From Egyptian alabaster jars for perfumes to Phoenician amphoras for wine and oil, these civilizations developed remarkable containers that both preserved products and communicated value. Test your knowledge about these ancient packaging innovations that revolutionized commerce and trade thousands of years ago!

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Indus Valley Civilization (featuring uniform stamp seals with pictographic script)
Ancient Romans (with sigillum clay seals marking official goods)
Han Dynasty China (using clay seals with imperial symbols)
Minoan Crete (with Linear A inscribed clay nodules)