Which ancient civilization created 'maker's marks' on pottery and goods that functioned similarly to modern brand logos, helping customers identify preferred craftsmen and build brand loyalty?

Before modern retail, ancient civilizations developed sophisticated commercial systems with their own version of 'brand loyalty.' From the bazaars of Mesopotamia to Roman market stalls, merchants understood the value of customer retention. This poll explores how ancient civilizations built brand recognition and customer loyalty in their commercial practices - a fascinating look at how today's retail concepts have roots dating back thousands of years.

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Ancient Rome, where merchants stamped 'ex officina' (from the workshop of) followed by their name on goods to build recognition
Ancient Egypt, where hieroglyphic cartouches on goods identified royal-approved merchants whose products were considered superior
Indus Valley civilization, which used standardized seals on trade goods to indicate quality and origin from specific merchant guilds
Ancient China, where Han Dynasty merchants developed personal chops (stamps) that guaranteed authenticity and quality of goods