Ungraded vs MS66 1979 S [TYPE 2 PROOF] Kennedy Half Dollar: price difference
1979 S [TYPE 2 PROOF] Kennedy Half Dollar value — Ungraded $15 vs MS66 $104. MS66 sells for 6.93× Ungraded (+593%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs MS66
$15→$104
MS66 sells for 6.93× (+593%) the Ungraded price — a $89 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1979 S [TYPE 2 PROOF] Kennedy Half Dollar, the jump from Ungraded to MS66 is worth $89 (6.93×) — 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).