Ungraded vs MS66 1964 [PROOF] Kennedy Half Dollar: price difference
1964 [PROOF] Kennedy Half Dollar value — Ungraded $37 vs MS66 $106. MS66 sells for 2.86× Ungraded (+186%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
MS66 sells for 2.86× (+186%) the Ungraded price — a $69 difference per coin.
MS66 sells for 1.86× (+86%) the MS62 price — a $49 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1964 [PROOF] Kennedy Half Dollar, the jump from Ungraded to MS66 is worth $69 (2.86×) — 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).