Ungraded vs MS66 1964 D [DOUBLE DIE FS-101] Kennedy Half Dollar: price difference
1964 D [DOUBLE DIE FS-101] Kennedy Half Dollar value — Ungraded $35 vs MS66 $983. MS66 sells for 28.09× Ungraded (+2709%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
Ungraded vs MS66
$35→$983
MS66 sells for 28.09× (+2709%) the Ungraded price — a $948 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1964 D [DOUBLE DIE FS-101] Kennedy Half Dollar, the jump from Ungraded to MS66 is worth $948 (28.09×) — 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).