Ungraded vs PSA 10 Professor Birch's Observations #159: price difference
Professor Birch's Observations #159 value — Ungraded $10 vs PSA 10 $1500. PSA 10 sells for 150× Ungraded (+14900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 150× (+14900%) the Ungraded price — a $1,490 difference per card.
PSA 10 sells for 26.32× (+2532%) the Grade 9 price — a $1,443 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Professor Birch's Observations #159, the jump from Ungraded to PSA 10 is worth $1,490 (150×) — 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).