Some of rock's most infamous relics are hitting the auction block. A new sale from Potter & Potter Auctions, titled Punks, Monsters, Smut & Madmen: A Countercultural Cross-Section, is offering a selection of music memorabilia that ranges from the iconic to the downright bizarre-including a pair of GG Allin's blood-signed underwear and strands of Kurt Cobain's hair.

A Countercultural Cross-Section auction has listed a number of rare items, including strands of Kurt Cobain's hair, a signed CD by Church of Satan founder Anton LaVey and GG Allin's blood-signed under

Kurt Cobain's hair – an iconic piece of rock history – is hitting the auction block once again. This time, two strands of the late Nirvana frontman's hair are being sold, four years after they were initially purchased for a hefty sum.