![Alvin Davis [Mariners Checklist] #680 1989 Upper Deck Baseball](/api/images/junkpal-products/sports/alvin-davis-mariners-checklist-680-baseball-cards-1989-upper-deck-sport/cover.webp)
Ungraded vs PSA 10 Alvin Davis [Mariners Checklist] #680 1989 Upper Deck Baseball: price difference
Alvin Davis [Mariners Checklist] #680 1989 Upper Deck Baseball value — Ungraded $2 vs PSA 10 $28. PSA 10 sells for 14× Ungraded (+1300%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 14× (+1300%) the Ungraded price — a $26 difference per card.
PSA 10 sells for 28× (+2700%) the Grade 9 price — a $27 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Alvin Davis [Mariners Checklist] #680 1989 Upper Deck Baseball, the jump from Ungraded to PSA 10 is worth $26 (14×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).