Professor Birch's Observations

About Professor Birch's Observations #159's market value

Professor Birch's Observations #159 (Holofoil, Rare Ultra) from Primal Clash (2015) has a market price of $18.82 raw as of September 20, 2026, the TCGplayer market price for this exact printing. It sits well above the set's median card ($0.69), ranking #27 of 296 priced printings. Over the last 30 days the price has surged (+31.0%). Its 180-day range is $11.46 to $18.82 — it is trading near the top of that range.

Graded copies of Professor Birch's Observations sell for more than raw. A PSA 10 has a recent sale median of $1,499.99, about 80× the raw price (1 recent sale) — thin data, treat as indicative. PSA 9 copies go for around $46.50, about 2.5× the raw price (4 recent sales) — thin data, treat as indicative. Other grades we track: PSA 7 at $25.25, CGC 8.5 at $19.99, PSA 8 at $16.50. Graded medians come from recent eBay sold listings and refresh daily.