Which innovative retail practice did ancient Egyptian merchants use to build customer loyalty in marketplace stalls around 1500 BCE?

The ancient world had sophisticated commercial systems long before modern retail. From Mesopotamian clay tablets recording transactions to Roman shopping complexes, ancient civilizations developed innovative ways to advertise, sell and build customer loyalty. This trivia explores a fascinating retail innovation from ancient Egypt that helped establish one of history's earliest recognizable 'shopping experiences.'

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

Loyalty seals stamped on papyrus that could be exchanged for discounts on future purchases
Complimentary samples of perfume oils with hieroglyphic 'brand marks' to encourage return visits
Stone tokens inscribed with the pharaoh's blessing that granted access to exclusive merchandise
Monthly festival drawings where regular customers could win exotic goods from foreign lands