Professor Birch's Observations
Primal Clash · #159/160
Professor Birch's Observations (159/160), the Ultra Rare from Primal Clash, has an estimated ungraded market price of about $12–$16.
As of July 20, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
Image © The Pokémon Company, shown for identification.
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
About Professor Birch's Observations
Professor Birch's Observations is a Ultra Rare (159/160) from the Pokémon Primal Clash set, released February 4, 2015. Ungraded copies currently trade at an estimated market price of $12–$16. The artwork is by Hitoshi Ariga. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Details
Other versions of Professor Birch's Observations
Professor Birch's Observations appears on 2 different cards across the sets Riffle tracks, at very different values. This page covers #159/160 from Primal Clash; the collector number printed at the bottom of the card tells them apart.
FAQ
How much is Professor Birch's Observations (159/160) worth?
Professor Birch's Observations (159/160), the Ultra Rare from Primal Clash, has an estimated ungraded market price of about $12–$16. Note: 1 other card named Professor Birch's Observations exists across the sets Riffle tracks, at very different values; check the collector number.
Which Professor Birch's Observations card is this, and how do I tell the versions apart?
This page covers Professor Birch's Observations (159/160), the Ultra Rare (about $12–$16) from Primal Clash.
The other version: #134/160 from Primal Clash (Uncommon, about under $1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
Should I grade Professor Birch's Observations (159/160)?
Ahead after fees: with a 6% PSA 10 gem rate and current graded prices, grading a near-mint Professor Birch's Observations (159/160) is estimated to net about $98 more than selling it raw (est.).
Assumes ~$25/card bulk-rate grading (standard service costs more); ignores turnaround time, sub-9 grades, and shipping. A screen, not a promise.
Is Professor Birch's Observations (159/160) rare?
Professor Birch's Observations (159/160) is a Ultra Rare. PSA has graded 214 copies to date, so graded supply is measurable and growing.
How rare is a PSA 10 Professor Birch's Observations (159/160)?
Of the 214 copies PSA has graded, 6% earned a PSA 10. That's a low gem rate, so flawless copies are genuinely hard to come by. Grade-by-grade population and pop-over-time appear with Riffle premium.
More from Primal Clash
Should I grade Professor Birch's Observations?
Ahead after fees: grading nets ≈ +$98 vs selling raw (est.)
Expected grading return from this card’s 6% PSA 10 gem rate and current graded market prices, minus a ~$25/card bulk-rate grading fee, compared against selling ungraded at market price. Standard grading service costs more; centering risk, sub-9 grades, turnaround time, and shipping aren’t included. The exact PSA 9/10 prices behind this are part of Riffle premium. Not financial advice.
PSA population & gem rate
From the PSA population census, captured monthly by Riffle. A 6% gem rate is on the hard side; PSA 10 copies of this card are scarcer than the typical modern chase card. Grade-by-grade population and pop-over-time appear with Riffle premium.
- $12–$16 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±14% around its midpoint: a moderate spread.
- 63 clean listings back today’s basis, with storefront and lot noise excluded.
- Sampled daily since July 20, 2026, current as of July 20, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →