Ungraded vs PSA 10 John Marks #16 1979 O Pee Chee Hockey: price difference
John Marks #16 1979 O Pee Chee Hockey value — Ungraded $2 vs PSA 10 $750. PSA 10 sells for 375× Ungraded (+37400%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs PSA 10
$2→$750
PSA 10 sells for 375× (+37400%) the Ungraded price — a $748 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On John Marks #16 1979 O Pee Chee Hockey, the jump from Ungraded to PSA 10 is worth $748 (375×) — 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).