Ungraded vs MS66 2005 S [CLAD OREGON PROOF] State Quarter: price difference

2005 S [CLAD OREGON PROOF] State Quarter value — Ungraded $3 vs MS66 $14. MS66 sells for 4.67× Ungraded (+367%). Prices updated August 2026.

GradeSold medianvs Ungraded
Ungraded$3eBay ↗
MS66$144.67× · +367%eBay ↗

Medians of real sold listings per grade, updated August 2026 how we compute values.

Ungraded vs MS66
$3$14

MS66 sells for 4.67× (+367%) the Ungraded price — a $11 difference per coin.

Should you get this coin graded?

Grading runs about $30 per coin all-in. On 2005 S [CLAD OREGON PROOF] State Quarter, the jump from Ungraded to MS66 is worth $11 (4.67×) — 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 →
See current eBay listingsSee sold 2005 S [CLAD OREGON PROOF] State Quarter listings ↗Full 2005 S [CLAD OREGON PROOF] State Quarter price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).