Ungraded vs PSA 10 Don Mattingly #8 1984 Topps Baseball: price difference
Don Mattingly #8 1984 Topps Baseball value — Ungraded $13 vs PSA 10 $2000. PSA 10 sells for 153.85× Ungraded (+15285%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 153.85× (+15285%) the Ungraded price — a $1,987 difference per card.
PSA 10 sells for 16.95× (+1595%) the Grade 9 price — a $1,882 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Don Mattingly #8 1984 Topps Baseball, the jump from Ungraded to PSA 10 is worth $1,987 (153.85×) — 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).