What can I submit?

GSG evaluates all the trading cards you want, whether sports cards such as baseball, basketball, football, ice hockey, soccer or non-sports cards such as Pokemon, Yu-Gi-Oh, Magic, Dragonball, Disney Frozen, Fortnite, Digimon, Flesh & Blood and much more.
Our team consists of specialists in all areas.


  • All sports trading cards from 1910 to today (currently up to a thickness of 4.0 mm)

  • Autograph, jersey and patch cards up to a thickness of 4.0 mm

  • All TCG from the beginning to today

  • All trading cards from the beginning to today

  • Custom Art cards (no grading takes place here, just sealing in our case with the label "Custom")

  • Misprint, miscut and off-center cards (the addition MP, MC, OC,... appears under the grading note)

  • Stickers (Sport and Non-Sport)

  • All languages ​​as long as the cards are original or licensed

  • Evaluation of autographs as an inclusive service for trading cards (autographs must be authenticated by the manufacturer or an independent company. Alternatively, a photo / video can be sent which clearly shows that it is exactly this card)

Not possible:

  • Counterfeits / Unofficially licensed series

  • Proxy

  • booster

  • Display

  • Maxi Cards

  • Autograph cards in postcard size
  • Video games
  • Cards glorifying violence