Due to the thin paper on which they were printed and the ubiquitous product stains on Cracker Jack cards, the entire issue is quite condition sensitive.  This particular example of Hall of Famer manager John McGraw carries an AUTHENTIC grade from SGC due to the visible corner clip and notch of paper loss in the top edge.  Regardless, Cracker Jacks are truly desirable in any grade, among the most popular and highly coveted of all baseball card issues, and for many collectors a mere corner clip and an AUTHENTIC grade are not enough to keep them from chasing a Hall of Famer from the issue.