If you've ever wanted to get your hands on some iconic one-of-a-kind memorabilia from Nirvana's Kurt Cobain, you just might get your chance. The sweater Cobain wore during his performance on MTV's Unplugged is headed to auction at the end of the month.

This marks the second time in four years that the never-been-washed sweater has hit the auction block.

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Julien's Auctions announced today that the olive green cardigan and custom 1993 Fender Cobain used during the In Utero tour will be going up for auction.

The current owner of the iconic sweater, who wishes to remain anonymous, kept the item in acid-free tissues and stored it in a safe.

“It’s very important that we don’t wash it,” Darren Julien of Julien’s Auctions tells Rolling Stone. “The stains are still there. There’s even cigarettes burns that you can see on the sweater.”

The sweater first hit the auction block through Julien's Auctions in November 2015 and sold for $137,500.

Hitting Julien's block once again on Oct. 25, the item has a starting bid of $50,000 according to its listing. The item is estimated to reach upwards of $200,000-$300,000.

“Rock & roll memorabilia has become an investment,” Julien explains. “It’s not just a collector’s market — it’s an investor’s market. The person that bought the sweater in 2015 bought it as an investment. Now, because we’ve been getting record prices for Kurt Cobain, people are starting to sell it. We anticipate that it will sell for more than double. I call it the new fine art market. People are investing more and more in pop culture, especially rock & roll. It’s a way to diversify their portfolios.”

The left-handed teal Fender Mustang is estimated to reach $300,000-$500,000 with a starting bid of $75,000.

Both items are accompanied by a handwritten letter from Courtney Love.

You can watch a clip of Nirvana's Unplugged performance below.

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