Photo of 2Pac's naked crotch up for auction

A naked picture of late rap star,Tupac Shakur  is being auctioned off .

The image is part of the "Gotta Have Rock and Roll" online auction and features a nude close up of the rapper's crotch.

The nude flick of Tupac is taken from a larger catalog of items , that is being billed as the largest collection of Tupac artifacts.

The auction is expected to fetch a total of $250,000 for all of the items that will go up for bid.