Circa 1910s glass plate negative featuring New York Giants manager John McGraw. Measures 7x5", head-and-shoulders photo has very slight image loss at edges, common for this type of negative, does not impact portrait. McGraw won three World Series and 10 National League pennants in a stellar 33-year managerial career. Plate comes from Brown Brothers archive, which compiled sports photos for publications starting in the early 1900s.