Professor's Research [Professor Birch] - 221

Professor's Research #221 was printed 2 ways and each one sells separately: Holofoil from Professor Program Promos $28.99; Normal from SV: Scarlet & Violet Promo Cards $0.21 (TCGplayer market, 2026-10-29). 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.

Professor's Research [Professor Birch] - 221 [Normal] has a TCGplayer market price of $0.21 as of 2026-10-29.

Professor's Research [Professor Birch] #221 is trending down: $0.21 today, down 16% in 30 days and 92% below its high of $2.62 (2025-11-22), the highest since we began tracking (2024-02-08), but 1.3x its low of $0.16 (2026-03-31). TCGplayer market price as of 2026-10-29, tracked daily since 2025-11-22. Other windows: up 10.5% over 7 days, down 19.2% over 90 days. A 30-day drop this size is common after a reprint or a set rotation; the daily chart shows whether it has found a floor.

TickerMint began tracking Pokemon prices on 2024-02-08, after Professor's Research [Professor Birch] - 221 came out, so these are the highest and lowest prices since we began tracking (2024-02-08), not all-time records. In TickerMint's daily data (since February 2024), the TCGplayer market price for Professor's Research [Professor Birch] - 221 [Normal] (all conditions) peaked at $2.62 (2025-11-22) and bottomed at $0.16 (2026-03-31).