Grade 9 vs PSA 10 Plague Engineer #100: price difference
Plague Engineer #100 value — Grade 9 $10 vs PSA 10 $16. PSA 10 sells for 1.6× Grade 9 (+60%). Prices updated July 2026.
↘ Falling · -28%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 vs PSA 10
$10→$16
PSA 10 sells for 1.6× (+60%) the Grade 9 price — a $6 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Plague Engineer #100, the jump from Grade 9 to PSA 10 is worth $6 (1.6×) — 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).