Ungraded vs PSA 10 Magnezone #GG18: price difference
Magnezone #GG18 value — Ungraded $5 vs PSA 10 $148. PSA 10 sells for 29.6× Ungraded (+2860%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 29.6× (+2860%) the Ungraded price — a $143 difference per card.
PSA 10 sells for 7.79× (+679%) the Grade 9 price — a $129 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Magnezone #GG18, the jump from Ungraded to PSA 10 is worth $143 (29.6×) — 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).