Which ancient Mesopotamian item served as both a personal signature and product authentication mark for merchants, representing one of the earliest forms of brand recognition in retail history?

Before modern logos and trademarks, ancient civilizations developed sophisticated methods for brand recognition and product authentication. In Mesopotamia, merchants and artisans used distinctive marks to signify quality and origin of their goods. These early branding systems helped build trust in commercial networks that spanned thousands of miles, connecting diverse cultures through trade. Test your knowledge about one of history's earliest product authentication systems!

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Cylinder seals - carved stone cylinders that were rolled onto clay to create a unique impression
Cuneiform tablets - clay documents with wedge-shaped markings listing product inventories
Royal stamps - metal emblems pressed onto goods to indicate royal approval for export
Temple tokens - clay discs marked with deity symbols guaranteeing religious blessing of merchandise