• CGC Hub
  • Comics
  • Cards
  • Home Video
menu
  • Grading Services
    • Services & Fees
  • Holders
  • Resources
  • News & Events
Verify
Submit
  • Grading Services
    • Services & Fees
  • Holders
  • Resources
  • News & Events
Verify
  • Grading
  • Holders
  • Resources
  • News & Events
  • Services & Fees
  • Verify
  • Submit
  • Guarantee
  • Contact
  • Careers
  • Terms of Use
  • Privacy Policy
  • Returns
  • Contest Rules
  • Terms & Conditions
  • Advertise
Get news and the latest updates from
CGC Video Games
Sign up for emails

Follow CGC

© 2026 Certified Guaranty Company, LLC. | CGC is part of the  Certified Collectibles Group

Verify CGC-certified Video Games

CGC Guarantee

Every CGC-certified video game is backed by the industry-leading CGC Guarantee, which provides greater protection for both buyers and sellers.

Learn more

Grading Scale

See the full list of grades, descriptions and modifiers used by CGC Video Games to consistently and accurately evaluate a game’s authenticity and condition.

Learn more
Cert #
1018484006
Console
Game Boy
Game
Game Boy Test Cartridge
Year
1990
Publisher
Nintendo
Variant
3-Line, Bold Game Boy Logo, Square Label, P.N. 21528
Errors, Defects and Other Information
Test Cartridge
Game State
Cart
Grade Date
2024-06-05
7.0Overall Grade
Cartridge Grade
7.0
3-Line, Game Boy (Bold), P.N. 21528
Personalization
Nintendo World Class Service Test Cartridge
New Search