Which ancient civilization pioneered the concept of 'brand seals' on retail products as an early form of marketing and quality assurance?

The ancient marketplace, or 'agora' in Greece, was one of history's first retail environments. Ancient civilizations developed sophisticated marketing techniques that influenced commerce for millennia. Test your knowledge of how ancient merchants promoted their products and created distinctive brand identities long before modern marketing concepts existed. This trivia explores the fascinating intersection of ancient commercial practices and what we now recognize as retail marketing strategies.

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Mesopotamians, who stamped cylinder seals on clay containers to identify specific merchant houses and workshops
Egyptians, who painted hieroglyphic symbols on pottery to indicate royal patronage and divine blessing
Romans, who embossed coins with emperor profiles to promote imperial commercial ventures
Chinese, who used distinctive red lacquer stamps to mark silk products from specific regions