Overview: Part 2 of 3 in Motor City features Marvin Gaye's 1964 passport, which was found inside an album bought for 50 cents at an estate sale; a Petrus van Schendel oil painting, ca. 1860; and a signed photo album of President Abraham Lincoln and his cabinet and Senate. Also: a visit to the Ypsilanti Automotive Heritage Museum spotlights model cars made by Hudson Car Company.