Ungraded vs MS66 1921 Mercury Dime: price difference
1921 Mercury Dime value — Ungraded $34 vs MS66 $11590. MS66 sells for 340.88× Ungraded (+33988%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 340.88× (+33988%) the Ungraded price — a $11,556 difference per coin.
MS62 sells for 86.12× (+8512%) the Ungraded price — a $2,894 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1921 Mercury Dime, the jump from Ungraded to MS66 is worth $11,556 (340.88×) — 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).