In ancient Rome, what consumer protection practice did merchants use that's similar to modern product reviews?

Before modern e-commerce and digital reviews, ancient civilizations had their own sophisticated methods of commerce, consumer feedback, and shopping experiences. The marketplaces of these great empires weren't just places to trade goods—they were centers of cultural exchange, innovation, and consumer psychology. Test your knowledge about how our ancestors approached the earliest forms of 'customer experience' and product reputation management!

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Tesserae - clay tablets with product guarantees that customers could redeem if dissatisfied
Mercatus Scrolls - papyrus lists of recommended products distributed monthly in the forum
Aedile Seals - government stamps indicating products had been inspected by officials
Collegium Rankings - merchant guild ratings of shops displayed at market entrances