![Harmon Killebrew [White Back] #164 1956 Topps Baseball](/api/images/junkpal-products/sports/harmon-killebrew-white-back-164-baseball-cards-1956-topps-sport/cover.webp)
Ungraded vs PSA 10 Harmon Killebrew [White Back] #164 1956 Topps Baseball: price difference
Harmon Killebrew [White Back] #164 1956 Topps Baseball value — Ungraded $58 vs PSA 10 $12623. PSA 10 sells for 217.64× Ungraded (+21664%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 217.64× (+21664%) the Ungraded price — a $12,565 difference per card.
Grade 9 sells for 32.71× (+3171%) the Ungraded price — a $1,839 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Harmon Killebrew [White Back] #164 1956 Topps Baseball, the jump from Ungraded to PSA 10 is worth $12,565 (217.64×) — 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).