![Regirock [Reverse Holo] #28](/api/images/junkpal-products/cards/regirock-reverse-holo-28-pokemon-holon-phantoms-card/img0/cover.webp)
Ungraded vs PSA 10 Regirock [Reverse Holo] #28: price difference
Regirock [Reverse Holo] #28 value — Ungraded $17 vs PSA 10 $203. PSA 10 sells for 11.94× Ungraded (+1094%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 11.94× (+1094%) the Ungraded price — a $186 difference per card.
Grade 9 sells for 5.88× (+488%) the Ungraded price — a $83 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Regirock [Reverse Holo] #28, the jump from Ungraded to PSA 10 is worth $186 (11.94×) — 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).