Ungraded vs Grade 8.0 Detective Comics #102 (1945): price difference
Detective Comics #102 (1945) value — Ungraded $430 vs Grade 8.0 $3600. Grade 8.0 sells for 8.37× Ungraded (+737%). Prices updated August 2026.
Medians of real sold listings per grade, updated August 2026 — how we compute values.
Grade 8.0 sells for 8.37× (+737%) the Ungraded price — a $3,170 difference per comic.
Grade 6.0 sells for 3.64× (+264%) the Ungraded price — a $1,135 difference per comic.
Should you get this comic graded?
Grading runs about $30 per comic all-in. On Detective Comics #102 (1945), the jump from Ungraded to Grade 8.0 is worth $3,170 (8.37×) — 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).