Founded in Hong Kong, Grading Eleven Authentication (GEA) is a next-generation card grading company dedicated to precision, technology, and modern design.

The company utilizes an innovative slab architecture that integrates NFC technology and cryptographic verificationwith premium materials to ensure long-term durability. GEA provides a reliable, transparent, and globally trusted grading service.

Beyond technical authentication, GEA champions collecting culture. By leveraging artist collaborations and community partnerships, the company seeks to transform the grading landscape into a holistic, design-driven experience for collectors worldwide.