Sub-Grades
Quick Specifications
Specific scores given to the four key attributes of a card: Centering, Corners, Edges, and Surface. Companies like BGS and CGC often provide these to give collectors more granular detail on why a card achieved its final grade.
Condition & Grading Challenges
Standard Condition Check: Inspect all four corners under 10x magnification. Ensure surface is free of wax stains and gum residue (vintage) or print lines (modern).
Investment Profile
General Market: Tracks with the broader sports card index (SCI-500).
Expert Context
"The Sub-Grades serves as a critical data point for the grading terms index. Based on our current data (Seed: 4081446750), verified listings for this item show a high variation in pricing."
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Metric Data LIVE
"This topic is currently active in 10 upcoming major auction houses."