![Caves of Koilos [Foil] #350](/api/images/junkpal-products/cards/caves-of-koilos-foil-350-magic-10th-edition-card/img0/cover.webp)
Ungraded vs Grade 9 Caves of Koilos [Foil] #350: price difference
Caves of Koilos [Foil] #350 value — Ungraded $7 vs Grade 9 $50. Grade 9 sells for 7.14× Ungraded (+614%). Prices updated July 2026.
↘ Falling · -36%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 9
$7→$50
Grade 9 sells for 7.14× (+614%) the Ungraded price — a $43 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Caves of Koilos [Foil] #350, the jump from Ungraded to Grade 9 is worth $43 (7.14×) — 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).