The grade is technical due to "20-" written very small on the back as a price in pencil otherwise we would grade this VG/EX with light corner, edge and surface wear and some light soiling to the postally unused back.
There was a time at the turn of the 19th to 20th centuries that George Hackenschmidt was one of the most famous people in the world. A wrestling champion credited with inventing the bench press and too many other accomplishments to list.