Jay Leno gets behind the wheel of his 1913 Mercer Raceabout and shows just what it takes to start one of these Brass Era beauties ... the same as a modern car, but Leno has to do them all by ...

In automotive terms, the Brass Era is generally considered to have ended ... and American personal coupe luxury. That concept car, the Exemplar I, is now up for auction on Bring a Trailer (which ...