![Behold the Sinister Six! [Borderless Foil] #221](/api/images/junkpal-products/cards/behold-the-sinister-six-borderless-foil-221-magic-marvel-spider-man-card/img0/cover.webp)
Ungraded vs PSA 10 Behold the Sinister Six! [Borderless Foil] #221: price difference
Behold the Sinister Six! [Borderless Foil] #221 value — Ungraded $4 vs PSA 10 $21. PSA 10 sells for 5.25× Ungraded (+425%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 5.25× (+425%) the Ungraded price — a $17 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Behold the Sinister Six! [Borderless Foil] #221, the jump from Ungraded to PSA 10 is worth $17 (5.25×) — 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).