Ungraded vs PSA 10 Low Pressure System #11: price difference
Low Pressure System #11 value — Ungraded $7 vs PSA 10 $40. PSA 10 sells for 5.71× Ungraded (+471%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 5.71× (+471%) the Ungraded price — a $33 difference per card.
PSA 10 sells for 4× (+300%) the Grade 9 price — a $30 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Low Pressure System #11, the jump from Ungraded to PSA 10 is worth $33 (5.71×) — 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).