Which ancient civilization created the first documented retail loyalty program, using clay tokens that customers collected to earn discounts on future purchases?

Before modern retail loyalty cards and points systems, ancient civilizations developed sophisticated methods to encourage repeat customers. These early loyalty programs played crucial roles in establishing trade networks and commercial relationships that sustained empires. This poll explores one of history's most innovative ancient retail strategies that would be familiar to modern marketers but might surprise you with its age and sophistication.

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Ancient Mesopotamians in Babylon (circa 1800 BCE)
Ancient Egyptians during the New Kingdom period (circa 1300 BCE)
Phoenician merchants along Mediterranean trade routes (circa 1000 BCE)
Han Dynasty Chinese silk merchants (circa 200 BCE)