Which ancient civilization pioneered the first documented 'brand loyalty' system through clay tokens that customers could redeem for discounts on future purchases?

Long before modern loyalty cards and digital analytics, ancient civilizations developed sophisticated methods to build customer retention and brand loyalty. From specialized pottery marks to temple trade monopolies, the foundations of today's retail loyalty systems have surprising ancient roots. Test your knowledge about how ancient merchants kept their customers coming back for more!

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Mesopotamian merchants (circa 3000 BCE) with their 'shekel-back' clay tablet program
Egyptian artisans (circa 1500 BCE) with their 'pharaoh's favor' scarab stamp collection
Roman shopkeepers (circa 100 CE) with their 'denarii dividend' pottery shard system
Chinese silk traders (circa 200 BCE) with their 'imperial return' bamboo tally sticks