The current value of Professor's Research - 221 (SV Black Star Promos #221) is $0.15, updated July 27, 2026, based on the latest market floor tracked by RareBit.
Current value · NM · EN
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7d avg
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30d avg
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90d high
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90d low
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About this card
Professor's Research - 221 is a Pokémon card from the SV Black Star Promos set (PR-SV #221). Its rarity is Promo.
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eBay Graded
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Attributes
SetSV Black Star Promos
Number#221
RarityPromo
Languages
SourcesPRICECHARTING · TCGPLAYER
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Prices updated Jul 27, 2026