Professor's Research [Professor Birch]
Professor Program Promos · #221/264 · Promo · 2026
$61.15
Market price ▲ 31.3% (1Y)
Prices as of Oct 15, 2026
-1%off ATH $62.21 · Sep 2026
Market data
Price history
Standard
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Graded market
updated 2026-10-14Graded values
Grade 6 est.$58.57
Grade 5 est.$49.32
Grade 4 est.$40.69
Grade 3 est.$33.91
Grade 2 est.$27.74
Grade 1 est.$23.43
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
Ungraded price history$61.65
Ungraded chart is building — graded values are tracked nightly, a new point appears each day.
How much is Professor's Research [Professor Birch] #221/264 worth?
A raw copy of Professor's Research [Professor Birch] #221/264 (Professor Program Promos, 2026) is worth about $61.15 right now, based on the latest market data from October 16, 2026.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Professor's Research [Professor Birch] has moved over time.