Which ancient civilization pioneered an early customer loyalty program where regular customers received clay tokens that could be exchanged for discounts on future purchases?

The world's earliest civilizations weren't just known for their monuments and warfare - they were also innovative traders and retailers! From Mesopotamian clay receipt tablets to Egyptian market stalls, ancient civilizations created sophisticated commercial systems that laid the foundation for modern retail. This trivia question explores how ancient retailers created their own version of customer loyalty programs, an early practice that helped merchants thrive in the competitive marketplaces of antiquity.

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

Phoenicians, who gave loyal trade partners purple-dyed tokens representing a percentage of their transaction value
Romans, who distributed bronze tessera coins to preferred customers of bathhouses and markets
Egyptians, who marked papyrus receipts with hieroglyphics indicating customer status levels
Sumerians, who stamped cuneiform symbols on regular buyers' personal clay tablets