Ungraded vs PSA 10 Darrell Porter #447 1982 Topps Baseball: price difference
Darrell Porter #447 1982 Topps Baseball value — Ungraded $1 vs PSA 10 $69. PSA 10 sells for 69× Ungraded (+6800%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 69× (+6800%) the Ungraded price — a $68 difference per card.
Grade 9 sells for 33× (+3200%) the Ungraded price — a $32 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Darrell Porter #447 1982 Topps Baseball, the jump from Ungraded to PSA 10 is worth $68 (69×) — 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).