![Professor's Research [Professor Birch] — 221](https://tcgplayer-cdn.tcgplayer.com/product/704478_in_1000x1000.jpg)
Professor's Research [Professor Birch] — 221
Lowest ask = the cheapest current listing. Market = TCGplayer’s rolling market price. Latest daily snapshot: Aug 31, 2026.
Market read
Professor's Research [Professor Birch] — 221 carries a $29.94 lowest ask in our Aug 31, 2026 snapshot, against a TCGplayer market price of $29.99. That ask is level with its 7-day trailing median of $29.99. Confidence is verified, backed by 21 daily observations, with the ask and market price tracking each other closely. It is one of 44 Promo cards we track in Professor Program Promos (57 cards in the set overall). Prices are asks from current listings, not completed sale prices, and the snapshot refreshes once daily.
Price history
Daily TCGplayer market and lowest-ask price for Professor's Research [Professor Birch] — 221 from the InkSight Pokémon Trading Card Game snapshot. Interactive chart loads with the latest daily snapshot.
Marketplace
Compare TCGplayer singles, eBay raw and graded listings, and Whatnot live breaks. Affiliate links load with latest daily snapshot pricing.
Set context
Professor Program Promos. Browse every Professor Program Promos card →. See more Pokémon Trading Card Game pricing on the market hub, movers, and top cards. See every Professor's Research [Professor Birch] — 221 card we track.
Related cards
Other printings, same-rarity neighbours and cards from Professor Program Promos.
