Sierra Madre Souvenir Aficionado

 is an achievement in the Fallout: New Vegas add-on Dead Money.

Requirements

 * Collect 500 Sierra Madre Chips

Locations
These can be found mainly in the villa in fountains, inside of buildings they can be found in dressers, night stands and on tables, just be sure to check everywhere.

Alternatively, collecting the Sierra Madre Snowglobe will award 2000 chips and complete this challenge.