Ungraded vs PSA 10 Michael Jordan #SP1 1991 Upper Deck Baseball: price difference
Michael Jordan #SP1 1991 Upper Deck Baseball value — Ungraded $23 vs PSA 10 $1310. PSA 10 sells for 56.96× Ungraded (+5596%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 56.96× (+5596%) the Ungraded price — a $1,287 difference per card.
PSA 10 sells for 12.84× (+1184%) the Grade 9 price — a $1,208 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Michael Jordan #SP1 1991 Upper Deck Baseball, the jump from Ungraded to PSA 10 is worth $1,287 (56.96×) — 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).