Ungraded vs MS66 1939 S Mercury Dime: price difference
1939 S Mercury Dime value — Ungraded $18 vs MS66 $96. MS66 sells for 5.33× Ungraded (+433%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
MS66 sells for 5.33× (+433%) the Ungraded price — a $78 difference per coin.
MS66 sells for 3.1× (+210%) the MS62 price — a $65 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1939 S Mercury Dime, the jump from Ungraded to MS66 is worth $78 (5.33×) — 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).