Ungraded vs MS66 2018 D [Jim Thorpe] Sacagawea Dollar: price difference
2018 D [Jim Thorpe] Sacagawea Dollar value — Ungraded $4 vs MS66 $12. MS66 sells for 3× Ungraded (+200%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Ungraded vs MS66
$4→$12
MS66 sells for 3× (+200%) the Ungraded price — a $8 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2018 D [Jim Thorpe] Sacagawea Dollar, the jump from Ungraded to MS66 is worth $8 (3×) — 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 →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).