![Mark McGwire [Autograph] #US259 2018 Topps Update Baseball](/api/images/junkpal-products/sports/mark-mcgwire-autograph-us259-baseball-cards-2018-topps-update-sport/cover.webp)
Ungraded vs PSA 10 Mark McGwire [Autograph] #US259 2018 Topps Update Baseball: price difference
Mark McGwire [Autograph] #US259 2018 Topps Update Baseball value — Ungraded $80 vs PSA 10 $196. PSA 10 sells for 2.45× Ungraded (+145%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 2.45× (+145%) the Ungraded price — a $116 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mark McGwire [Autograph] #US259 2018 Topps Update Baseball, the jump from Ungraded to PSA 10 is worth $116 (2.45×) — 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).