Which innovative retail practice did Ancient Egyptians pioneer that is considered one of history's earliest examples of product branding and quality control?

The Ancient Egyptian civilization wasn't just about pyramids and mummies - they were innovative retailers too! Their bazaars and trading systems laid groundwork for modern retail concepts. This trivia tests your knowledge about one of history's earliest retail innovations that still influences product development and consumer behavior today. Can you identify which ancient Egyptian retail practice revolutionized product branding and consumer loyalty?

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Hieroglyphic receipts with merchant seals that served as early loyalty programs
Cartouche stamps on pottery and goods that identified producer workshops and guaranteed authenticity
Seasonal festival markets with exclusive product launches tied to religious calendars
Papyrus scrolls advertising product benefits with testimonials from notable citizens