Certified Guaranty Company (CGC) card grading and re-holder services of various sports cards such as soccer, basketball, baseball, etc. and trading cards (TCG) such as Pokemon, One Piece, Weiss Schwarz, Yu-Gi-Oh!, K-Pop, etc. All intermediary services to CGC listed are provided by Concept Grading Singapore.
Certified Guaranty Company (CGC) video games grading and re-holder services of various game consoles, catridges, CD packages with artwork from Nintendo, Sega, PlayStation, Atari, etc. All intermediary services to CGC listed are provided by Concept Grading Singapore.