Ungraded vs MS66 1981 S [PROOF] Kennedy Half Dollar: price difference
1981 S [PROOF] Kennedy Half Dollar value — Ungraded $4 vs MS66 $278. MS66 sells for 69.5× Ungraded (+6850%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
MS66 sells for 69.5× (+6850%) the Ungraded price — a $274 difference per coin.
MS66 sells for 46.33× (+4533%) the MS62 price — a $272 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1981 S [PROOF] Kennedy Half Dollar, the jump from Ungraded to MS66 is worth $274 (69.5×) — 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).