If you measure the borders using calipers or some better measure than "eyeball" you will see that it falls within spec. It's probably close to 40/60 and well within 35/65. The human eye plays tricks on us with centering.|
The worst part is the out-of-focus picture and the yellow print blurb in the red circle.
Without having it in hand, I can't say whether the grade is right or not.
#1 in 1959 Topps