Ungraded vs MS66 1925 S Mercury Dime: price difference
1925 S Mercury Dime value — Ungraded $18 vs MS66 $8145. MS66 sells for 452.5× Ungraded (+45150%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 452.5× (+45150%) the Ungraded price — a $8,127 difference per coin.
MS62 sells for 46.39× (+4539%) the Ungraded price — a $817 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1925 S Mercury Dime, the jump from Ungraded to MS66 is worth $8,127 (452.5×) — 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).