Post-war mafia cartel regulations primarily protected brand reputation and barred impostors.

Evidence

The cartel created after the Second World War and the regulations it introduced were largely devoted to that purpose: to keep the reputation good, to regulate entry, to discourage impostors who might want to make unlicensed use of the trademark. — Diego Gambetta, The Sicilian Mafia The Business of…, 406

Categorization

• XREF: Entry-control as trademark protection parallels the Champagne Fairs’ controlled entry and Milgrom’s private-judge model — reputation maintenance requires gatekeeping.