A historic lot of collectible cars has settled under years of dust and dirt, but the vehicles are set to go under the hammer. Sotheby's, a fine art company that helps auction collections , listed a series of iconic classic cars , including rare Mercedes, Lamborghini, and Ferrari models. Rudi Klein used to own the lot of iconic cars.

Klein, a former butcher, decided on a career transition in the late 1960s and began collecting cars, according to Driven Car Guide . He started Porche Foreign Auto, a company that became the final resting place for once-beloved, rare sports cars. The lot became a sort of vehicle amber - stashing vehicles after their former glory.

Read More on Car Auctions Dozens of cars have been parked outside for decades. Their bodies have rusted from the weather exposure. But interest in the vehicles has remained high, given the rare cars in the lot.

Klein held onto a 1955 Mercedes-Benz 300 SL Alloy Gullwing. The car is one of the rarest luxury vehicles in the company's history. One 300 SL Alloy Gullwing sold for over $6.

7 million, according to IMSA . Most read in Motors Mercedes initially sold the ultra-rare vehicle for $1.6 million.

The lot also contains a series of expensive Mercedes, Porsche, Lamborghini, and Ferrari classics, according to Sotheby's. "For decades, a mythical collection of incredible cars has sat in the hot California sun, some covered, some exposed to the elements," the company wrote in its auction listing. "Inside of its barbed wire fence .