Which ancient civilization created the world's first widely recognized commercial brand symbol that has been continuously used for over 2000 years?

Before billboards and social media, ancient civilizations developed sophisticated methods to mark and promote their products. From pottery stamps to architectural signatures, these early branding techniques helped establish trust, quality, and origin for goods and services. Test your knowledge about how ancient merchants and artisans created lasting brand recognition in the marketplaces of old!

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Ancient Rome (SPQR seal used on official goods)
Ancient China (Laojunlong brand of medicinal pills)
Ancient Egypt (Royal cartouche stamps on export pottery)
Ancient Greece (Amphora maker's marks from Athens)