It could just as likely be May 25, 1902 since the lock body design has been around since the 1890's. You could probably better determine the date by when the Southern Railway started business under that name.
BBE.


Quote Originally Posted by wylk View Post
I have a lock that is almost identical (and a key which does not look original) but is also stamped above the keyway "5-25-2" which I assume is either May 2 1925 or February 5 1925, though it might not even be a date.