Ungraded vs MS66 2018 S [SILVER PROOF] Roosevelt Dime: price difference

2018 S [SILVER PROOF] Roosevelt Dime value — Ungraded $13 vs MS66 $26. MS66 sells for Ungraded (+100%). Prices updated July 2026.

GradeSold medianvs Ungraded
Ungraded$13eBay ↗
MS66$262× · +100%eBay ↗

Medians of real sold listings per grade, updated July 2026 how we compute values.

Ungraded vs MS66
$13$26

MS66 sells for (+100%) the Ungraded price — a $13 difference per coin.

Should you get this coin graded?

Grading runs about $30 per coin all-in. On 2018 S [SILVER PROOF] Roosevelt Dime, the jump from Ungraded to MS66 is worth $13 () — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. A grade below the top one changes the math, so run your exact numbers first.

Run the grading break-even math →
See current eBay listingsSee sold 2018 S [SILVER PROOF] Roosevelt Dime listings ↗Full 2018 S [SILVER PROOF] Roosevelt Dime price guide →

Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).