![Surprise! Time Machine [Reverse Holo] #91](/api/images/junkpal-products/cards/surprise-time-machine-reverse-holo-91-pokemon-team-rocket-returns-card/img0/cover.webp)
Ungraded vs PSA 10 Surprise! Time Machine [Reverse Holo] #91: price difference
Surprise! Time Machine [Reverse Holo] #91 value — Ungraded $25 vs PSA 10 $648. PSA 10 sells for 25.92× Ungraded (+2492%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 25.92× (+2492%) the Ungraded price — a $623 difference per card.
PSA 10 sells for 11.37× (+1037%) the Grade 9 price — a $591 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Surprise! Time Machine [Reverse Holo] #91, the jump from Ungraded to PSA 10 is worth $623 (25.92×) — 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).