New York City Transit Authority: Objects originated as a photography experiment. In 2011, New York photographer Brian Kelley began documenting collections of used MetroCards in his Brooklyn studio, arranging them in various grids with the goal of perfecting the lighting of an image. His brother suggested he make the grids more interesting by finding other types of cards. Having exhausted his search of discarded MetroCards in many of the city's 472 subway stations, Kelley turned to eBay for new finds. The online rabbit-hole gave him a crash course in the history of NYC transportation....