DATA 01
Sports Card Product Library
Ten manufacturer-sourced product records with sport, format, status, official source, and the card fields collectors should verify.
- Rows
- 10
- Reviewed
- 2026-08-18
- License
- CC BY 4.0
Open research files
Download the evidence behind the guides.
Clean, machine-readable records for collectors, journalists, researchers, and search systems. Every dataset includes source URLs and review dates.
- Datasets
- 3
- Formats
- CSV and JSON
- License
- CC BY 4.0
Published datasets
Versioned by review date and linked to primary sources.
DATA 02
Verified Notable Sports Card Sales
Eight notable public or documented private sales with the exact card, grade, amount, date, venue, and primary source.
- Rows
- 8
- Reviewed
- 2026-08-15
- License
- CC BY 4.0
DATA 03
Grading Company Service Reference
Plain-English service records for PSA, CGC, SGC, TAG, Arena Club, and Advanced Grading with official source links.
- Rows
- 6
- Reviewed
- 2026-08-18
- License
- CC BY 4.0