Ungraded vs MS66 1918 D Mercury Dime: price difference
1918 D Mercury Dime value — Ungraded $11 vs MS66 $8293. MS66 sells for 753.91× Ungraded (+75291%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
MS66 sells for 753.91× (+75291%) the Ungraded price — a $8,282 difference per coin.
MS66 sells for 31.29× (+3029%) the MS62 price — a $8,028 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 $8,282 (753.91×) — 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).