![Mark McGwire [Pattern 52] #13 1998 Topps Tek Baseball](/api/images/junkpal-products/sports/mark-mcgwire-pattern-52-13-baseball-cards-1998-topps-tek-sport/cover.webp)
Ungraded vs Grade 9 Mark McGwire [Pattern 52] #13 1998 Topps Tek Baseball: price difference
Mark McGwire [Pattern 52] #13 1998 Topps Tek Baseball value — Ungraded $3 vs Grade 9 $160. Grade 9 sells for 53.33× Ungraded (+5233%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 sells for 53.33× (+5233%) the Ungraded price — a $157 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mark McGwire [Pattern 52] #13 1998 Topps Tek Baseball, the jump from Ungraded to Grade 9 is worth $157 (53.33×) — 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).