Ungraded vs MS66 1931 Mercury Dime: price difference
1931 Mercury Dime value — Ungraded $12 vs MS66 $768. MS66 sells for 64× Ungraded (+6300%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs MS66
$12→$768
MS66 sells for 64× (+6300%) the Ungraded price — a $756 difference per coin.
MS62 vs MS66
$72→$768
MS66 sells for 10.67× (+967%) the MS62 price — a $696 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1931 Mercury Dime, the jump from Ungraded to MS66 is worth $756 (64×) — 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).