Ungraded vs MS66 2005 P [SMS CALIFORNIA] State Quarter: price difference
2005 P [SMS CALIFORNIA] State Quarter value — Ungraded $5 vs MS66 $7. MS66 sells for 1.4× Ungraded (+40%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs MS66
$5→$7
MS66 sells for 1.4× (+40%) the Ungraded price — a $2 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2005 P [SMS CALIFORNIA] State Quarter, the jump from Ungraded to MS66 is worth $2 (1.4×) — 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).