Four areas. A fuller picture.
Centering, corners, edges, and surface subgrades help explain how a card earned its overall grade.
GRADED. ENCAPSULATED. READY TO COLLECT.
Great cards.
A clearer grade.
Discover GSG-certified cards from AW Cardz. Granite State Grading uses software-assisted analysis to evaluate centering, corners, edges, and surface. Inspect the slab, review its grade, and verify the certificate before you buy.
Explore the collection ↗
GRANITE STATE GRADING
Four detailed subgradesPublic cert verificationFront & back slab images
—Slabs available
—Sale lines (incl. partial refunds)
—Linked certificates
Loading inventory…eBay is the source for availability
FIND YOUR NEXT ADDITION
The collection
Internal pricing research · Item amounts reflect order-line discounts, exclude shipping and tax, and are before refunds and fees. Partial refunds may apply to shipping or other items in the order; these amounts are not net proceeds. Payment and cancellation states are shown separately.
THE GSG DIFFERENCE
A certificate behind every slab.
A graded card should be easy to understand and easy to verify. Each GSG slab carries a certification number linked to a public record with its identity, grade, subgrades, and slab images. Review the record behind the label, then head to eBay to make it yours.
More angles. More evidence.
GSG combines measured centering guides with directional lighting to reveal details a single overhead image can miss.
See the inspection process ↗The gold Pristine 10 label.
Four subgrades. Four 10s. GSG reserves its gold Pristine 10 label for cards that earn a 10 in centering, corners, edges, and surface.
Explore the grade scale ↗