Which ancient civilization was known for using specific maker's marks or seals on products as a form of brand positioning, guaranteeing quality and origin?

Before modern marketing departments and digital storefronts, ancient civilizations had their own sophisticated approaches to brand positioning. Merchants and artisans developed distinctive identities, specialized trade routes, and unique selling propositions to differentiate themselves in bustling marketplaces from Rome to Chang'an. This trivia challenges you to identify which ancient civilization pioneered a particularly influential positioning strategy that still impacts business practices today.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Mesopotamians, who stamped clay tablets with cylinder seals to authenticate goods and their merchants
Egyptians, who used hieroglyphic cartouches to designate royal-approved products for the elite market
Greeks, who inscribed amphora with the city-state of origin to position wines and oils by regional reputation
Indus Valley traders, who used standardized weights and pictographic seals to certify fair trade practices