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Professor's Research [Professor Birch] - 221
Promo · #221
Professor's Research [Professor Birch] #221 (SV: Scarlet & Violet Promo Cards) is worth about $0.25 today, the TCGplayer market price for any condition as of 2026-10-02, up 4% over 30 days.
price trend and all-time high: more ↓less ↑
Professor's Research [Professor Birch] #221 is trending up: $0.25 today, up 4% in 30 days and 90% below its all-time high of $2.62 (2025-11-22), but 1.6x its low of $0.16 (2026-03-31). TCGplayer market price as of 2026-10-02, tracked daily since 2025-11-22. chart →
illustrated by Hideki Ishikawa
Price data for your app or store: API and daily history since 2024 ·
PRINTINGS · WHICH ONE IS YOURS?
Professor's Research #221 comes in 2 printings: the Holofoil from Professor Program Promos is $29.98 and the Normal from SV: Scarlet & Violet Promo Cards is $0.25 (TCGplayer market, 2026-10-02).
- Holofoil from Professor Program Promos$29.98
- Normal from SV: Scarlet & Violet Promo Cards · this page$0.25
LOADING TAPE
WORTH GRADING?
WHERE TO BUY AND SELL
Normal · no eBay scan yetBuy-side estimate
$0.25
THINa patient buyer pays about $0.25 delivered, from live asks, not sales
show the work →
TCGplayer only, no eBay scan yet
| TCGplayer market | $0.25 | verify ↗ |
| TCGplayer lowest ask | $0.01 |
Single source: TCGplayer market (no usable eBay asks in the last scan).
The verdict · premium
Cards >40% off their high after a flat month were higher 90 days later 68% of the time in our archive since 2024 (5,811 cases).
The median move, the verdict and the grade-worthy math: try Premium free for 7 days →GAME DATA[ + ] SHOW[ × ] HIDE
- CARD TYPE
- Supporter
- CARD TEXT
- Discard your hand and draw 7 cards.
MORE BY HIDEKI ISHIKAWA
FULL CATALOG →
MORE FROM SCARLET & VIOLET PROMO CARDS
FULL SET →
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PRICE FAQ
Why does Professor's Research #221 have two prices?
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Professor's Research #221 was printed 2 ways and each one sells separately: Holofoil from Professor Program Promos $29.98; Normal from SV: Scarlet & Violet Promo Cards $0.25 (TCGplayer market, 2026-10-02). Check the set, the rarity mark and any parallel foil, manga art or edition stamp on your copy to know which price is yours; TickerMint prices every printing on its own page.
What is Professor's Research [Professor Birch] - 221 (SV: Scarlet & Violet Promo Cards) worth today?
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Professor's Research [Professor Birch] - 221 [Normal] has a TCGplayer market price of $0.25 as of 2026-10-02.
Is Professor's Research [Professor Birch] - 221 going up or down in price?
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Professor's Research [Professor Birch] #221 is trending up: $0.25 today, up 4% in 30 days and 90% below its all-time high of $2.62 (2025-11-22), but 1.6x its low of $0.16 (2026-03-31). TCGplayer market price as of 2026-10-02, tracked daily since 2025-11-22. Other windows: up 19.0% over 7 days, up 31.6% over 90 days.
What is the all-time high price for Professor's Research [Professor Birch] - 221?
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