A cardigan worn by Kurt Cobain, who passed away in 1994, recently went up for auction in New York. The unwashed cardigan sold for $334,000, making it the most expensive sweater ever sold at an auction. According to Darren Julien, the president of Julien's Auction, Cobain's cigarette-burned cardigan is the "holy grail of any article of clothing that he ever wore." The Nirvana frontman famously wore the garment during the band's MTV 'Unplugged' performance in 1993. It was later passed on to a personal assistant by his widow, Courtney Love, following his death. Cobain's custom- made guitar was also sold at the auction for $340,000, having spent several years on display at the Rock and Roll Hall of Fame.