Ungraded vs PSA 10 Sam McDowell #342 1973 Topps Baseball: price difference
Sam McDowell #342 1973 Topps Baseball value — Ungraded $2 vs PSA 10 $1769. PSA 10 sells for 884.5× Ungraded (+88350%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 884.5× (+88350%) the Ungraded price — a $1,767 difference per card.
Grade 9 sells for 35.5× (+3450%) the Ungraded price — a $69 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Sam McDowell #342 1973 Topps Baseball, the jump from Ungraded to PSA 10 is worth $1,767 (884.5×) — 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).