1928 Green Duck Babe Ruth Song pinback pair. Both pinbacks have been graded and encapsulated by PSA. The pinbacks include (1) version with no year and (1) version with year and 100 record on its face. The no year pinback was graded EX-MT 6 and the year pinback graded EX 5. Neither pinback has back paper but both pinback reverses are clean and rust free.