Ungraded vs PSA 10 Roy Sievers #566 1959 Topps Baseball: price difference
Roy Sievers #566 1959 Topps Baseball value — Ungraded $5 vs PSA 10 $1068. PSA 10 sells for 213.6× Ungraded (+21260%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 213.6× (+21260%) the Ungraded price — a $1,063 difference per card.
Grade 9 sells for 56.6× (+5560%) the Ungraded price — a $278 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Roy Sievers #566 1959 Topps Baseball, the jump from Ungraded to PSA 10 is worth $1,063 (213.6×) — 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).