Distinctive cigarette butt

 is a miscellaneous item in Fallout: New Vegas.

Characteristics
A cigarette that has been smoked and extinguished. Something about these particular butts make them distinctive.

This is the brand of cigarette Benny smokes.

These cigarette butts along with the Engraved Cigarette Lighter and information gained from Manny Vargas, can be shown to Swank at the Tops casino as evidence during the quest Ring-a-Ding-Ding.

Location
10 s in all can be found at Goodsprings Cemetery; 7 can be found near the Courier's grave and 3 more butts can be found next to a Broc Flower Plant to the right of the Courier's grave. (The picture on the Broc flower page is the very plant referenced in this article.)

Bugs

 * Distinctive cigarette butts are marked as a quest item and can not be dropped once picked up.