Which ancient civilization first developed standardized product seals called 'bulla' that served as both quality guarantees and tax receipts for merchandise?

Before modern marketing and mass production, ancient civilizations developed sophisticated systems for product identification, quality control, and distribution. From Mesopotamian pottery stamps to Roman manufacturer marks, these early innovations laid the groundwork for today's product branding. Test your knowledge on one of the earliest and most influential product identification systems that transformed ancient commerce and still influences modern retail practices.

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Mesopotamian (specifically ancient Sumer)
Ancient Egyptian
Indus Valley
Minoan Crete