Ungraded vs PSA 10 Roger Clemens [Pattern 10] #21 1998 Topps Tek Baseball: price difference
Roger Clemens [Pattern 10] #21 1998 Topps Tek Baseball value — Ungraded $10 vs PSA 10 $28. PSA 10 sells for 2.8× Ungraded (+180%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 2.8× (+180%) the Ungraded price — a $18 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Roger Clemens [Pattern 10] #21 1998 Topps Tek Baseball, the jump from Ungraded to PSA 10 is worth $18 (2.8×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).