Kurt Cobain’s Nirvana ‘MTV Unplugged’ Cardigan and a Lock of His Hair on Auction BlockKurt Cobain’s Nirvana ‘MTV Unplugged’ Cardigan and a Lock of His Hair on Auction BlockThe familiar cardigan that Nirvana frontman Kurt Cobain wore during the 'MTV Unplugged' appearance is going on the auction block.Chad ChildersChad Childers