Which ancient civilization first used a standardized royal seal on their products as an early form of brand recognition, guaranteeing quality for international trade around 2500 BCE?

Long before modern marketing strategies, ancient civilizations developed sophisticated methods to promote their goods across vast trading networks. From Phoenician purple dyes to Roman garum sauce, certain products achieved remarkable brand recognition throughout the ancient world. This poll explores one of history's earliest examples of successful product marketing that transcended cultural and geographic boundaries.

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

The Indus Valley Civilization with their square steatite seals on traded goods
The Egyptians with their cartouche marks on exported pottery and linens
The Sumerians with their cylinder seal impressions on traded clay containers
The Minoans with their bull symbol stamped on exported olive oil amphorae