Ungraded vs PSA 10 Shane Mack #837 1993 Upper Deck Baseball: price difference
Shane Mack #837 1993 Upper Deck Baseball value — Ungraded $1 vs PSA 10 $200. PSA 10 sells for 200× Ungraded (+19900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 200× (+19900%) the Ungraded price — a $199 difference per card.
PSA 10 sells for 66.67× (+6567%) the Grade 9 price — a $197 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Shane Mack #837 1993 Upper Deck Baseball, the jump from Ungraded to PSA 10 is worth $199 (200×) — 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).