GLOBAL STANDARD IN CERTIFICATION
The Science ofHistorical Integrity.
Preserving the legacy of numismatics through rigorous authentication, world-class grading, and advanced archival protection.
Certification Tracking
Instant verification of authenticity for any GBCA-EU certified asset.
Meticulous Care Absolute Precision.
Our multi-phase process ensures every coin is evaluated by leading experts using spectral analysis and historical databases.
Precision Grading
70-point numerical scale assessment using high-resolution microscopie imaging and consensus expert review.
- Sheldon Scale Standard
- Laser Profiling
Expert Authentication
Identifing counterfeits and alterations through non-destructive XRF metallurgical analysis and die-match databases.
Authentication process
Archival Preservation
Sonic sealed, tamper-evident holders featuring inert materials to prevent environmental degradation over decades.
- UV Protection
- Sonic Welding
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