Couple buys Michael Jackson cassette for 25 cents, then find it's signed by the King of Pop

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Couple Shocked When Michael Jackson Cassette Bought For 25 Cents Was Autographed

For this North Carolina couple, one man's trash is truly another man's "Thriller."

Mike and Amber Hernon of Concord were scouring their local thrift store when they purchased an old Michael Jackson cassette for 25 cents.

That seemed like a reasonable price, until days later, they realized it was signed by the King of Pop himself.

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"We were ecstatic," Amber told InsideEdition.com, "kind of in shock."

She said they were looking around their local thrift store, Heavenly Treasures, when two cassettes caught their eye — one by Fleetwood Mac and Michael Jackson's "Bad."

See photos of Michael Jackson through the years:

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Michael Jackson (Through the Years)
CIRCA 1969: R&B quintet 'Jackson 5' pose for a portrait in circa 1969. Clockwise from bottom left: Michael Jackson, Tito Jackson, Jackie Jackson, Jermaine Jackson, Marlon Jackson. (Photo by Michael Ochs Archives/Getty Images)
American singer Michael Jackson poses at a hotel while on tour with Jackson 5, London, England, November 1972. (Photo by Express Newspapers/Getty Images)
American pop singer Michael Jackson attends the opening of the stage musical 'Dream Girls,' In Los Angeles, 1983. (Photo by Frank Edwards/Fotos International/Getty Images)
Undated picture of US pop singer Michael Jackson. Michael Jackson died on June 25, 2009 after suffering a cardiac arrest, sending shockwaves sweeping across the world and tributes pouring in on June 26 for the tortured music icon revered as the 'King of Pop.' AFP PHOTO (Photo credit should read /AFP/GettyImages)
(FILES) US pop star and entertainer Michael Jackson (R) and actress Brooke Shields arrive at the shrine Auditorium in Los Angeles where Jackson is expected to run away with a major part of the Grammy awards on Febuary 28, 1984. Michael Jackson died on June 25, 2009 after suffering a cardiac arrest, sending shockwaves sweeping across the world and tributes pouring in on June 26 for the tortured music icon revered as the 'King of Pop.' AFP PHOTO/Alan ZANGER (Photo credit should read BERTRAND GUAY/AFP/Getty Images)
American singer Michael Jackson (1958 - 2009) performing on stage, circa 1987. (Photo by Dave Hogan/Getty Images)
American singer Michael Jackson performing, 1987. (Photo by Dave Hogan/Hulton Archive/Getty Images)
LANDOVER, UNITED STATES: American pop music star Michael Jackson sings 13 October 1988 at the Capital Center in Landover, Maryland. AFP PHOTO/Luke FRAZZA (Photo credit should read LUKE FRAZZA/AFP/Getty Images)
(FILES) US pop star and entertainer Michael Jackson performs during the opening concert of the Asian leg of his 'Dangerous' world tour in National Stadium in Bangkok on August 24, 1993. Michael Jackson died on June 25, 2009 after suffering a cardiac arrest, sending shockwaves sweeping across the world and tributes pouring in on June 26 for the tortured music icon revered as the 'King of Pop.' AFP PHOTO/Pongsak CHAIYANUWONG (Photo credit should read PONGSAK CHAIYANUWONG/AFP/Getty Images)
NEW YORK, NY - SEPTEMBER 7: Singer Michael Jackson (R) and guitarist Slash of 'Guns and Roses' perform the opening number at the 1995 MTV Video Music Awards 07 September held at the Radio City Music Hall in New York. Jackson and sister Janet Jackson have been nominted for 11 awards for their video 'Scream.' AFP PHOTO (Photo credit should read DON EMMERT/AFP/Getty Images)
US pop star and entertainer Michael Jackson performs during a concert at Vincennes hypodrome on September 13, 1992. Michael Jackson died on June 25, 2009 after suffering a cardiac arrest, sending shockwaves sweeping across the world and tributes pouring in on June 26 for the tortured music icon revered as the 'King of Pop.' AFP PHOTO/Bertrand GUAY (Photo credit should read BERTRAND GUAY/AFP/Getty Images)
(FILES) US pop star Michael Jackson waves to photographers during a press conference in Paris on March 19, 1996. Michael Jackson died on June 25, 2009 after suffering a cardiac arrest, sending shockwaves sweeping across the world and tributes pouring in for the tortured music icon revered as the 'King of Pop.' AFP PHOTO / VINCENT AMALVY (Photo credit should read VINCENT AMALVY/AFP/Getty Images)
NEW YORK, NY - SEPTEMBER 7: Michael Jackson (C) performs at Madison Square Garden in New York 07 September, 2001. It was the first of two performances in New York as part of his '30th Anniversary Celebration, the Solo Years.' AFP PHOTO (Photo credit should read BETH A. KEISER/AFP/Getty Images)
NEW YORK, UNITED STATES: (FILES) This 06 July, 2002, file photo shows pop singer Michael Jackson (L) waving from his limo to fans in the Harlem neighborhood of New York. The child molestation trial against Jackson is scheduled to start 31 January, 2005, in Santa Maria, California. The star has denied 10 charges, including child molestation, plying a child with alcohol to seduce him and of conspiring to kidnap and falsely imprison a child and his family at his Neverland Ranch. He is free on a three million USD bail. AFP PHOTO/Doug KANTER/FILES (Photo credit should read DOUG KANTER/AFP/Getty Images)
LOS ANGELES, UNITED STATES: US pop singer Michael Jackson salutes the audience after recieving the Artist of the Century Award during the 29th Annual American Music Awards at the Shrine Auditorium in Los Angeles 09 January 2002. AFP PHOTO/Hector MATA (Photo credit should read HECTOR MATA/AFP/Getty Images)
NEW YORK, UNITED STATES: US singer Michael Jackson and guitarist Dave Navaro perform during the Democratic National Committee (DNC) benefit concert, 'A Night at the Apollo', at the world-famous Apollo Theater 24 April 2002 in New York. The concert was to kick off a nationwide voter registration drive. AFP PHOTO/TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
404248 10: Musician Michael Jackson performs at the taping of 'American Bandstands 50th...A Celebration' television special honoring the music show April 20, 2002 in Pasadena, CA. (Photo by Vince Bucci/Getty Images)
BERLIN - NOVEMBER 19: Singer Michael Jackson holds his son eight-month-old son Prince Michael II over the balcony of the Adlon Hotel November 19, 2002 in Berlin, Germany. Jackson is in Berlin with his three children to accept a lifetime achievement award. (Photo by Olaf Selchow/Getty Images)
BERLIN - NOVEMBER 19: Singer Michael Jackson appears at the balcony of the Adlon Hotel with an unidentified child November 19, 2002 in Berlin, Germany. Jackson is in Berlin with his three children to accept a lifetime achievement award. (Photo by Olaf Selchow/Getty Images)
SOWETO, SOUTH AFRICA - JULY 18: US musician Michael Jackson holds a child 18 July in Soweto, South Africa, where he laid a wreath at the memorial for students who died in an uprising on 16 June. Jackson sang a happy birthday song to South African President Nelson Mandela at a surprise meeting with the president shortly after he arrived in the country. AFP PHOTO (Photo credit should read WALTER DHLADHLA/AFP/Getty Images)
SANTA MARIA, UNITED STATES: (FILES) This 13 November, 2002, file photo shows pop singer Michael Jackson arriving inside the Santa Maria Superior Court for a trial in which he is accused of canceling concert appearances and costing the promoter several million dollars. The child molestation trial against Jackson is scheduled to start 31 January, 2005, in Santa Maria, California. The star has denied 10 charges, including child molestation, plying a child with alcohol to seduce him and of conspiring to kidnap and falsely imprison a child and his family at his Neverland Ranch. He is free on a three million USD bail. POOL/SPENCER WEINER/FILES (Photo credit should read SPENCER WEINER/AFP/Getty Images)
SANTA MARIA, CA - NOVEMBER 14: Musician Michael Jackson signs autographs for fans as he arrives at his civil trial in Santa Maria Superior Court November 14, 2002 in Santa Maria, California. The artist is being sued for $21 million by his longtime promoter for backing out of two concerts. (Photo by Bryan Chan-Pool/Getty Images)
SANTA MARIA, CA - NOVEMBER 15: Pop star Michael Jackson testifies during his civil trial in Santa Maria Superior Court on November 15, 2002 in Santa Maria, California. The pop star is being sued for $21 million by his longtime promoter for backing out of two concerts. (Photo by Ed Souza-Pool/Getty Images)
SANTA MARIA, CA - DECEMBER 4: Singer Michael Jackson testifies during the morning session of his civil trial in Santa Maria Superior Court on December 4, 2002 in Santa Maria, California. The artist is being sued for $21 million by his longtime promoter for backing out of two concerts. (Photo by Jim Ruyman-Pool/Getty Images)
LAS VEGAS - OCTOBER 27: (TABLOIDS OUT) Singer Beyonce' Knowles and singer Michael Jackson, winner of the 2003 Humanitarian Award, hug onstage at The 2003 Radio Music Awards at the Aladdin Casino Resort October 27, 2003 in Las Vegas, Neveda. For more information on Jackson's humanitarian efforts, go to musicforgiving.org. (Photos by Kevin Winter/Getty Images)
SANTA MARIA, CA - APRIL 30: Singer Michael Jackson gestures while departing the courthouse after his arraignment on April 30, 2004 in Santa Maria, California. Jackson plead not guilty to the grand jury indictment of numerous child molestation charges. (Photo by David McNew/Getty Images)
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Mike joked that even though one of their cars had a cassette player, they hardly ever used it.

But both their families had been huge fans of Michael Jackson, and for just a quarter, "we couldn't pass it up," Amber said.

They tossed it aside, but days later, Amber said she wanted to show their sons pictures of the superstar behind such hits as "Billie Jean" and "Man in the Mirror," and what she found inside the cassette was truly shocking.

"We opened it up and realized it was signed," Amber said.

Susanne Lambert, the owner of Heavenly Treasures, told InsideEdition.com most of the goods they sell are purchased in estate sales.

"There's no telling what house it came from," Lambert said of the cassette. "They might have passed away."

Amber said the piece of memorabilia is "pretty priceless to us," and her husband insisted they weren't interested in finding out the cassette's monetary value.

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Amber said while selling the artifact was out of the question, they would consider having the signature appraised, to confirm that it is the John Hancock of the real Michael Jackson, who died in 2009 at age 50.

Darren Julien of Julien Auctions in West Hollywood, California, told InsideEdition.com that if the signature is authentic, it could fetch between $1,000 and $3,000.

"Having it appraised puts a dollar to it, but that's not really the value to us," Mike said. "It doesn't matter if it's $12 or $1,200. How we got it and who we got it from is worthless in value to us."

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