Graded Market · 12 completed sales
Professor Birch's Observations (159 Full Art) graded prices.
As of July 8, 2026, Professor Birch's Observations (159 Full Art) (Primal Clash #159) trades across the graded ladder below, based on 12 real eBay completed sales; the raw copy’s reference price is $13.63.
PSA · Professor Birch's Observations (159 Full Art)
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Mint 9 | $59.00 | 5 | 4.3× |
| NM-MT 8 | $16.50 | 3 | 1.2× |
Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.