Ungraded vs MS66 1918 D Mercury Dime: price difference
1918 D Mercury Dime value — Ungraded $25 vs MS66 $8592. MS66 sells for 343.68× Ungraded (+34268%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 343.68× (+34268%) the Ungraded price — a $8,567 difference per coin.
MS66 sells for 32.42× (+3142%) the MS62 price — a $8,327 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1918 D Mercury Dime, the jump from Ungraded to MS66 is worth $8,567 (343.68×) — 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).