Which ancient civilization created the first widely recognized branded products through distinctive pottery stamps that served as early trademarks and quality guarantees?

Long before modern advertising agencies and digital marketing, ancient civilizations developed sophisticated branding and marketing techniques. From Roman pottery stamps to Egyptian seals, product differentiation has ancient roots. This trivia question explores one of history's earliest and most successful product branding campaigns that helped establish international trade routes and consumer recognition across multiple civilizations.

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Ancient Romans with their 'Fortis' lamp brand that dominated Mediterranean markets
Mesopotamians with their cylinder seal impressions on clay trade goods
Ancient Chinese with their imperial porcelain markings during the Han Dynasty
Ancient Greeks with their amphora potter signatures from Athens workshops