Which ancient civilization pioneered the use of branded products with standardized symbols stamped on goods to guarantee quality and origin?

Before digital ads and social media, ancient civilizations developed sophisticated marketing techniques to promote their products. From Phoenician merchants advertising their wares on papyrus to Roman shopkeepers using painted signs, marketing has ancient roots. This poll explores how ancient societies advertised and built consumer awareness for their products and services in marketplaces across the Mediterranean, Mesopotamia, and beyond.

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

Ancient Romans with their 'ex officina' (from the workshop of) pottery stamps
Ancient Greeks with their amphora maker's marks and city-state symbols
Ancient Egyptians with their cartouche seals on luxury items
Ancient Mesopotamians with their cylinder seal impressions on clay containers