Ungraded vs PSA 10 Isiah Thomas #109 1986 Fleer Basketball: price difference
Isiah Thomas #109 1986 Fleer Basketball value — Ungraded $47 vs PSA 10 $4030. PSA 10 sells for 85.74× Ungraded (+8474%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 85.74× (+8474%) the Ungraded price — a $3,983 difference per card.
Grade 9 sells for 9.98× (+898%) the Ungraded price — a $422 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Isiah Thomas #109 1986 Fleer Basketball, the jump from Ungraded to PSA 10 is worth $3,983 (85.74×) — 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).