Grade 9 vs PSA 10 Water Wurm: price difference
Water Wurm value — Grade 9 $37 vs PSA 10 $100. PSA 10 sells for 2.7× Grade 9 (+170%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 vs PSA 10
$37→$100
PSA 10 sells for 2.7× (+170%) the Grade 9 price — a $63 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Water Wurm, the jump from Grade 9 to PSA 10 is worth $63 (2.7×) — 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).