Ungraded vs PSA 10 Bob Porterfield #301 1952 Topps Baseball: price difference
Bob Porterfield #301 1952 Topps Baseball value — Ungraded $19 vs PSA 10 $4266. PSA 10 sells for 224.53× Ungraded (+22353%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 224.53× (+22353%) the Ungraded price — a $4,247 difference per card.
Grade 9 sells for 38.74× (+3774%) the Ungraded price — a $717 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bob Porterfield #301 1952 Topps Baseball, the jump from Ungraded to PSA 10 is worth $4,247 (224.53×) — 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).