Grade 9 vs PSA 10 Brian Propp #271 1983 O Pee Chee Hockey: price difference
Brian Propp #271 1983 O Pee Chee Hockey value — Grade 9 $9 vs PSA 10 $25. PSA 10 sells for 2.78× Grade 9 (+178%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 2.78× (+178%) the Grade 9 price — a $16 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Brian Propp #271 1983 O Pee Chee Hockey, the jump from Grade 9 to PSA 10 is worth $16 (2.78×) — 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).