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Professor's Research 224/S-P Sword & Shield Promos

JAPANESE · SWORD & SHIELD PROMOS

Professor's Research 224/S-P

Professor's Research (博士の研究（ウィロー博士）) is card 224/S-P in Sword & Shield Promos (PROMO), a Japanese Sword & Shield set, released on November 1, 2019. It’s a Promo illustrated by Yusuke Kozaki. A Near Mint copy has a market price of $5.00 as of October 17, 2026, unchanged over 30 days.

Market price · Near Mint

$5.000% in 30 days

Jul 19, 2026 · $5.00Low $5.00 · High $5.00Oct 17, 2026 · $5.00

As of October 17, 2026. Prices are estimates from third-party market data and are not offers to buy or sell. Holo10 in the Holofile app adds 6-month, 1-year and all-time charts.

Number
224/S-P
Rarity
Promo
Released
November 1, 2019
Japanese name
博士の研究（ウィロー博士）

Prices

Normal

Ungraded
ConditionMarket30 days
Near Mint$5.000%
Graded
GradeMarket30 days
PSA 10$81.310%
PSA 9$14.500%

Market prices as of October 17, 2026: in US dollars unless marked. Prices are estimates from third-party market data and are not offers to buy or sell.