Ungraded vs MS66 1966 Kennedy Half Dollar: price difference
1966 Kennedy Half Dollar value — Ungraded $10 vs MS66 $67. MS66 sells for 6.7× Ungraded (+570%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs MS66
$10→$67
MS66 sells for 6.7× (+570%) the Ungraded price — a $57 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1966 Kennedy Half Dollar, the jump from Ungraded to MS66 is worth $57 (6.7×) — 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).