![Sozin's Comet [Borderless] #309](/api/images/junkpal-products/cards/sozin-s-comet-borderless-309-magic-avatar-the-last-airbender-card/img0/cover.webp)
Ungraded vs PSA 10 Sozin's Comet [Borderless] #309: price difference
Sozin's Comet [Borderless] #309 value — Ungraded $23 vs PSA 10 $58. PSA 10 sells for 2.52× Ungraded (+152%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs PSA 10
$23→$58
PSA 10 sells for 2.52× (+152%) the Ungraded price — a $35 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Sozin's Comet [Borderless] #309, the jump from Ungraded to PSA 10 is worth $35 (2.52×) — 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).