Cigarette-burned Kurt Cobain 'Unplugged' cardigan heading to auction A quarter century after grunge's enigmatic rhapsodist took his own life, Kurt Cobain's iconic cigarette-singed cardigan worn during Nirvana's 1993 "Unplugged" performance is up for sale. The tattered, drab olive green button-up sweater could go for at least $200,000 to $300,000, according to pre-bidding estimates.