![Ziatora's Proving Ground [Showcase Foil] #359](/api/images/junkpal-products/cards/ziatora-s-proving-ground-showcase-foil-359-magic-streets-of-new-capenna-card/img0/cover.webp)
Ungraded vs PSA 10 Ziatora's Proving Ground [Showcase Foil] #359: price difference
Ziatora's Proving Ground [Showcase Foil] #359 value — Ungraded $12 vs PSA 10 $21. PSA 10 sells for 1.75× Ungraded (+75%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 1.75× (+75%) the Ungraded price — a $9 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Ziatora's Proving Ground [Showcase Foil] #359, the jump from Ungraded to PSA 10 is worth $9 (1.75×) — 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).