Ungraded vs MS66 2003 P [ILLINOIS] State Quarter: price difference
2003 P [ILLINOIS] State Quarter value — Ungraded $1 vs MS66 $15. MS66 sells for 15× Ungraded (+1400%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs MS66
$1→$15
MS66 sells for 15× (+1400%) the Ungraded price — a $14 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2003 P [ILLINOIS] State Quarter, the jump from Ungraded to MS66 is worth $14 (15×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).