Which ancient civilization implemented a sophisticated 'tiered pricing strategy' where different qualities of the same product were sold at vastly different price points to different social classes?

While modern marketing techniques seem like recent innovations, ancient civilizations had sophisticated methods of brand promotion and pricing strategies. From Phoenician merchants' distinctive seals to Roman shop signs, ancient societies developed ways to stand out in crowded marketplaces. This trivia question explores how one ancient civilization implemented a complex pricing strategy that would be recognizable to modern economists and marketers.

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Ancient Egypt - with tiered pricing for papyrus based on quality and intended use
Ancient Greece - with different prices for olive oil depending on its clarity and origin
Mesopotamia - with varied pricing for clay tablets based on the clay quality and scribe reputation
Ancient China - with silk priced according to thread count and dye exclusivity