Professor's Research
SVP Black Star Promos #222PromoIllustrated by Hideki Ishikawa
Prices by version
| Version | Market | Low to high |
|---|---|---|
| Normal | $0.18 | $0.12 to class="page" tabindex="-1"9.72 |
| Normal · Professor Program Stamp | No price yet |
TCGplayer market prices for Near Mint copies, as of October 27, 2026. Each version is priced on its own.