Ungraded vs MS66 1977 S [PROOF] Lincoln Memorial Penny: price difference
1977 S [PROOF] Lincoln Memorial Penny value — Ungraded $3 vs MS66 $1000. MS66 sells for 333.33× Ungraded (+33233%). Prices updated September 2026.
Medians of real sold listings per grade, updated September 2026 — how we compute values.
MS66 sells for 333.33× (+33233%) the Ungraded price — a $997 difference per coin.
MS66 sells for 111.11× (+11011%) the MS62 price — a $991 difference per coin.
Should you get this coin graded?
Grading runs about $30 per coin all-in. On 1977 S [PROOF] Lincoln Memorial Penny, the jump from Ungraded to MS66 is worth $997 (333.33×) — 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).