Ungraded vs MS66 1958 Washington Quarter: price difference
1958 Washington Quarter value — Ungraded $15 vs MS66 $40. MS66 sells for 2.67× Ungraded (+167%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
MS66 sells for 2.67× (+167%) the Ungraded price — a $25 difference per coin.
MS66 sells for 2.5× (+150%) the MS62 price — a $24 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1958 Washington Quarter, the jump from Ungraded to MS66 is worth $25 (2.67×) — 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 →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).