Baseball · Basketball · Football · Hockey · Soccer

Sports Cards

Checklists, rookie-card identification, grading context and sourced sale data for sports cards, vintage to modern.

In production for this hub: Rookie card identification · Is it worth grading? · How to read a checklist

Topics

Junk Wax

2 pages

Crossover Collectibles

1 page

Sets & checklists

All sets →

Set data for this category is being compiled. We add a set only when we can cite a reliable checklist.

Guides

All guides →

Identification

1989 Upper Deck Dale Murphy Reverse Negative (#357): How to Tell and Dated Sales

How to tell the 1989 Upper Deck Dale Murphy #357 reverse negative error from the corrected card, why it's scarcer, and dated sales by grade for 2025–2026.

Updated October 7, 2026

Value guides

Value guide

1989 Upper Deck Ken Griffey Jr. #1 Rookie: Value by Grade, Story and Fakes

What the 1989 Upper Deck Griffey #1 sells for raw vs PSA 9 vs PSA 10 (dated sales), why low grades can beat mid grades, and the doctored-photo story.

Updated October 7, 2026