Ungraded vs MS66 2017 P [LIONS CLUB CENTENNIAL PROOF] Modern Commemorative: price difference
2017 P [LIONS CLUB CENTENNIAL PROOF] Modern Commemorative value — Ungraded $67 vs MS66 $95. MS66 sells for 1.42× Ungraded (+42%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
MS66 sells for 1.42× (+42%) the Ungraded price — a $28 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2017 P [LIONS CLUB CENTENNIAL PROOF] Modern Commemorative, the jump from Ungraded to MS66 is worth $28 (1.42×) — 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).