CHICAGO (CBS) — Illinois’ Volo Auto Museum has a new addition for its “Cars of the Rich and Famous,” collection.

“We’ve been looking for the right Elvis car to add to our collection,” Volo director Brian Grams said.

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He stumbled across Elvis Presley’s custom-made pink and white Cadillac station wagon while doing a Google search that led him to a classified ad.

“I clicked on it and as I’m reading the description, it was Elvis’ car,” he said. “Cadillac never made a station wagon. He bought a four-door sedan and had it customized into a station wagon.”

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The King of Rock n Roll used it to haul musical equipment between Graceland and the airport. Grams said this was the forgotten Elvis Caddy.

“It was sold back in 1977, three months after he passed away, for $50,000 — which was about a quarter of a million dollars in today’s money. It pretty much disappeared after that, went into a private collection,” he said.

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One week from today, it will go on public display, part of the Volo Museum’s collection of cars owned by the rich and famous.