Grade 9 vs PSA 10 Professor Sycamore #122: price difference
Professor Sycamore #122 value — Grade 9 $9 vs PSA 10 $34. PSA 10 sells for 3.78× Grade 9 (+278%). Prices updated July 2026.
↘ Falling · -71%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 vs PSA 10
$9→$34
PSA 10 sells for 3.78× (+278%) the Grade 9 price — a $25 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Professor Sycamore #122, the jump from Grade 9 to PSA 10 is worth $25 (3.78×) — 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).