![Professor's Research [Professor Birch]](/assets/no-image.svg)
Professor Program Promos · 221
Professor's Research [Professor Birch]
Promo
$29.98Raw, ungraded, Near Mint · updated 2026-09-26
At $29.98 it is close to the cheapest it has been, $29.98 in September 2026.
7-day change+0.0%
30-day change-0.0%
90-day change-0.1%
11D
Daily prices for the Holofoil, 2026-09-16 to 2026-09-26: +0.0%. The series lengthens by a day every day.
Where today sits in its range
The mark is where Holofoil sits today. We know these highs and lows but not the dates they happened, so there is no line to draw.
1 year$30–$30
| Finish | Market | Low | Mid | High |
|---|---|---|---|---|
| Holofoil | $29.98 | $24.99 | $24.99 | $24.99 |
Low and high are current listing prices, not sales.
Details
- Set
- Professor Program Promos
- Number
- 221
- Rarity
- Promo
- Illustrator
- —
- Released
- —
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