Ungraded vs MS66 1918 Mercury Dime: price difference
1918 Mercury Dime value — Ungraded $14 vs MS66 $2928. MS66 sells for 209.14× Ungraded (+20814%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
MS66 sells for 209.14× (+20814%) the Ungraded price — a $2,914 difference per coin.
MS62 sells for 16.21× (+1521%) the Ungraded price — a $213 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1918 Mercury Dime, the jump from Ungraded to MS66 is worth $2,914 (209.14×) — 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).