![Grass Energy [Reverse Holo] #91](/api/images/junkpal-products/cards/grass-energy-reverse-holo-91-pokemon-evolutions-card/img0/cover.webp)
Ungraded vs PSA 10 Grass Energy [Reverse Holo] #91: price difference
Grass Energy [Reverse Holo] #91 value — Ungraded $3 vs PSA 10 $227. PSA 10 sells for 75.67× Ungraded (+7467%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 75.67× (+7467%) the Ungraded price — a $224 difference per card.
PSA 10 sells for 25.22× (+2422%) the Grade 9 price — a $218 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Grass Energy [Reverse Holo] #91, the jump from Ungraded to PSA 10 is worth $224 (75.67×) — 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).