Which ancient civilization invented the first known retail price tags, attaching clay seals to goods that indicated fixed, non-negotiable prices?

Long before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail systems and product innovations that shaped commerce for millennia to come. Some of their retail practices were surprisingly advanced, with specialized marketplaces, branding techniques, and quality standards. Test your knowledge about these early retail innovators and their groundbreaking approaches to commerce and product design.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Ancient Romans, who called them 'pretium iustum' (just price) markers
Ancient Egyptians, who used them primarily in royal marketplaces
Babylonians, who developed them to standardize prices across their extensive trade networks
Ancient Greeks, who introduced them in their agora marketplaces