This is considered normal by the card companies. That being said, approximately 99% of sports card will contain some kind of imperfections.
Some being more visible than others. Imperfections vary from centering, surface, edges and even corners.
Cards having major imperfections are sent back to the manufacture for replacements. This is why it is very difficult to get a perfect 10 on any cards that you have graded. The item "2012-13 SP Game Used Authentic Fabrics NHL Shield Patch Patrice Bergeron 1/1" is in sale since Sunday, March 24, 2019. This item is in the category "Sports Mem, Cards & Fan Shop\Sports Trading Cards\Ice Hockey Cards".
The seller is "vanhubel11" and is located in Obernau. This item can be shipped worldwide.