Professor Birch's Observations #159 PSA 10 Price
$1,497.01
PSA 10 price history
Every grade, priced
| Grade | Market value | PSA population |
|---|---|---|
| PSA 10 (Gem Mint) | $1,497.01 | 12 |
| Grade 9.5 | $71.00 | — |
| PSA 9 (Mint) | $64.63 | 45 |
| Grade 8 | $25.40 | 76 |
| Grade 7 | $20.50 | 56 |
| BGS 10 | $1,946.00 | — |
| CGC 10 | $898.00 | — |
| Raw (ungraded) | $19.10 | — |
PSA has graded 209 copies of Professor Birch's Observations #159 in total — 5.7% came back Gem Mint. Full cross-company population lives on the card page.
Thinking of grading your copy?
The math is on the card page: live grading expected value from this card's real gem rate and PSA prices, minus fees. And before you submit anything, the grading guide covers the self-checks that separate 10 candidates from expensive 9s.
Professor Birch's Observations PSA 10 FAQ
How much is Professor Birch's Observations worth in PSA 10?
Professor Birch's Observations #159 from Primal Clash is currently worth $1,497.01 in PSA 10 Gem Mint, based on graded sales data updated weekly. A raw copy trades around $19.10 — the PSA 10 carries a 78.4x premium.
How many PSA 10 copies of Professor Birch's Observations exist?
PSA has graded 209 copies, and 12 earned the Gem Mint 10 label — a 5.7% gem rate. Population grows over time as new copies are submitted.
Is Professor Birch's Observations worth grading?
Run the math, not the hope: grading costs roughly $20-25 per card, so a submission pays when the PSA 10 price times your realistic gem chance beats the raw price plus fees. This card gems at about 5.7%. The live grading expected value is computed on the main card page.
PSA 10 vs PSA 9 — how big is the difference for Professor Birch's Observations?
A PSA 10 is worth $1,497.01 against $64.63 for a PSA 9 — a 23.2x gap. That gap is why centering and surface checks before submitting matter more than anything else.