Which ancient civilization created the first documented product branding system, using distinctive seals on pottery to indicate quality and origin of traded goods?

Long before modern marketing strategies, ancient civilizations developed sophisticated branding and retail techniques. Some products and brands from antiquity were so successful that their methods still influence commerce today. This poll explores one of history's earliest examples of product branding and market innovation that helped shape ancient economies and trade networks. Test your knowledge about how our ancestors marketed their goods!

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Mesopotamians (circa 3000 BCE), who stamped clay jars with cylinder seals showing manufacturer and contents
Egyptians (circa 2500 BCE), who marked papyrus packages with hieroglyphic symbols for royal products
Ancient Chinese (circa 2200 BCE), who painted maker's marks on silk and porcelain trade goods
Indus Valley merchants (circa 2600 BCE), who used standardized weight stones as retail quality guarantees