Ungraded vs PSA 10 Atlee Hammaker #447 1990 Topps Baseball: price difference
Atlee Hammaker #447 1990 Topps Baseball value — Ungraded $1 vs PSA 10 $200. PSA 10 sells for 200× Ungraded (+19900%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 200× (+19900%) the Ungraded price — a $199 difference per card.
Grade 9 sells for 45× (+4400%) the Ungraded price — a $44 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Atlee Hammaker #447 1990 Topps Baseball, the jump from Ungraded to PSA 10 is worth $199 (200×) — 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).