Front of Historic Marker ID: 267 | This file appears in: Old Exchange and Provost Dungeon, 122 East Bay Street The front side of Historic Marker. This was put up at the Old Exchange in 2016 to bring light to the past of slave auctions in the area. Photograph courtesy of Jenn Curtis. Download Original File "Front of Historic Marker" appears in: Old Exchange and Provost Dungeon, 122 East Bay Street