UK brothers Owen and Conner Gray set the Guinness World Record for the largest Pokémon card collection, featuring 48,339 unique cards verified by CGC in July 2024. These cards are encapsulated in CGC slabs with a custom "Gray Collection" Guinness World Records label. Many of these slabs indicate authenticity but often lack a specific numerical grade.
- Key details about the Gray Collection CGC grading:
- Collection Size: 48,339 unique cards covering every Pokémon TCG era.
- Authentication: CGC authenticated and slabbed all cards to verify the record.
- Labeling: The slabs feature a special Guinness World Records pedigree label.
- Grading Status: While authenticated, many of these cards are "Authentic" rather than having a numerical grade (e.g., 9 or 10).
- Ownership: The collection was amassed by UK-based brothers Owen and Conner Gray.
- The collection surpassed the previous record of 34,310 cards by over 10,000, and items from the collection have entered the market.