Ungraded vs MS66 2015 S [MOHAWK IRONWORKERS PROOF] Sacagawea Dollar: price difference
2015 S [MOHAWK IRONWORKERS PROOF] Sacagawea Dollar value — Ungraded $6 vs MS66 $29. MS66 sells for 4.83× Ungraded (+383%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
MS66 sells for 4.83× (+383%) the Ungraded price — a $23 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2015 S [MOHAWK IRONWORKERS PROOF] Sacagawea Dollar, the jump from Ungraded to MS66 is worth $23 (4.83×) — 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).