Ungraded vs PSA 10 Darold Knowles #106 1970 Topps Baseball: price difference
Darold Knowles #106 1970 Topps Baseball value — Ungraded $1 vs PSA 10 $220. PSA 10 sells for 220× Ungraded (+21900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 220× (+21900%) the Ungraded price — a $219 difference per card.
Grade 9 sells for 37× (+3600%) the Ungraded price — a $36 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Darold Knowles #106 1970 Topps Baseball, the jump from Ungraded to PSA 10 is worth $219 (220×) — 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).