Purple textiles were highly valued in the ancient Mediterranean as a symbol of prestige, social status and power. Despite the numerous publications focused on the production and spread of purple dye technologies, the discussion regarding this particular dye has often been compartmentalised regionally (eastern or western Mediterranean) and chronologically (second or first millennium bc). The aim of this paper is threefold: (1) to propose a full chaîne opératoire for the production of shellfish-purple-dyed textiles; (2) to synthesise the archaeological evidence on production and consumption of such textiles in the entire Mediterranean before the Romans; and (3) to discuss the social implications of the production and consumption of these text...