Which distinctive mark was commonly used by Roman potters to establish brand recognition for their ceramic products throughout the Empire?

Before modern logos and trademarks, ancient civilizations had their own methods of brand recognition. Roman merchants and artisans used distinctive marks to identify their products and establish reputation in the vast trade networks of the empire. These early 'brands' helped consumers identify quality and authenticity in a world without corporate identities as we know them today. Test your knowledge about how ancient Romans recognized and distinguished between commercial products!

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Stamped maker's marks (sigillum) with the potter's name or workshop symbol
Painted hieroglyphics describing the origin city
Imperial eagle seals indicating government approval
Carved zodiac symbols representing the production season