Ungraded vs MS66 2023 S [PROOF] Kennedy Half Dollar: price difference
2023 S [PROOF] Kennedy Half Dollar value — Ungraded $23 vs MS66 $114. MS66 sells for 4.96× Ungraded (+396%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs MS66
$23→$114
MS66 sells for 4.96× (+396%) the Ungraded price — a $91 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 2023 S [PROOF] Kennedy Half Dollar, the jump from Ungraded to MS66 is worth $91 (4.96×) — 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).