Ungraded vs PSA 10 Surprise! Time Machine #91: price difference
Surprise! Time Machine #91 value — Ungraded $7 vs PSA 10 $68. PSA 10 sells for 9.71× Ungraded (+871%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 9.71× (+871%) the Ungraded price — a $61 difference per card.
Grade 9 sells for 9.57× (+857%) the Ungraded price — a $60 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Surprise! Time Machine #91, the jump from Ungraded to PSA 10 is worth $61 (9.71×) — 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).