Ungraded vs PSA 10 Willie Mays #150 1964 Topps Baseball: price difference
Willie Mays #150 1964 Topps Baseball value — Ungraded $55 vs PSA 10 $13200. PSA 10 sells for 240× Ungraded (+23900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 240× (+23900%) the Ungraded price — a $13,145 difference per card.
Grade 9 sells for 200× (+19900%) the Ungraded price — a $10,945 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Willie Mays #150 1964 Topps Baseball, the jump from Ungraded to PSA 10 is worth $13,145 (240×) — 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).