Ungraded vs PSA 10 Power Plant #139: price difference
Power Plant #139 value — Ungraded $4 vs PSA 10 $180. PSA 10 sells for 45× Ungraded (+4400%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 45× (+4400%) the Ungraded price — a $176 difference per card.
PSA 10 sells for 25.71× (+2471%) the Grade 9 price — a $173 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Power Plant #139, the jump from Ungraded to PSA 10 is worth $176 (45×) — 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).