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Concept Car of the Week: Italdesign Machimoto (1986)

The Machimoto might look and sound like a Japanese concept, but it was developed in Europe in the Turin-based Italdesign studio, and was based on a Volkswagen Golf GTI platform. The name actually derives from MACHIna (car in Italian) and MOTOciclo (motorcycle) as the perfect hybrid between the worlds of two- and four-wheelers. Unveiled on its home turf at the Turin motor show in 1986, it landed like a UFO, shocking both the public and the press.

Bring a Trailer: 1974 Fiat X1/9 autocrosser

Serious buyers and tire kickers alike can find everything on Bring a Trailer, from all-out American classics to pre-war antiques and Italian muscle. Today's pick, however, is none of those. This 1974 Fiat X1/9 autocrosser is for sale out of Garnedia, Calif., for the price of $25,000, or best offer.

Concept Car of the Week: Citroën C-Airdream

In the 1990s and early 2000s one of the most charismatic, brave and forward-thinking car makers, Citroën, had been reduced to the maker of budget, mainstream Euro boxes such as the Saxo and Xsara. The company hinted at its intentions to break free from its mundane existence as the maker of line-of-least-resistance rental cars with its Lignage concept in 1999 that harked back to its past large sedans, especially the CX. But it was at the 2002 Paris motor show that Citroën put a stake in the ground with its fabulously avantgarde Citroën C-Airdream concept.