Ungraded vs PSA 10 Mark Grant #622 1989 Upper Deck Baseball: price difference
Mark Grant #622 1989 Upper Deck Baseball value — Ungraded $2 vs PSA 10 $106. PSA 10 sells for 53× Ungraded (+5200%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 53× (+5200%) the Ungraded price — a $104 difference per card.
Grade 9 sells for 11× (+1000%) the Ungraded price — a $20 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mark Grant #622 1989 Upper Deck Baseball, the jump from Ungraded to PSA 10 is worth $104 (53×) — if your copy grades at the top, that premium can cover the fee. 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).