$2.45Professor's Research SWSH152/307 SWSH Black Star Promos price
Professor's Research is card SWSH152 of 307 in SWSH Black Star Promos, released Nov 15, 2019. Its TCGplayer market price is $2.45 for the Holofoil finish as of Nov 8, 2026. On Cardmarket the normal trend price is €1.91.
PromoEnglishHolo
Market prices by finish
| Source | Finish | Market | Low |
|---|---|---|---|
| Cardmarket | Normal | €1.91 | €0.70 |
| TCGplayer | Holofoil | $2.45 | $1.25 |
TCGplayer prices in US dollars (market = recent sales), Cardmarket in euros (market = trend price). Source data from Nov 7, 2026.
Price history
TCGplayer Holofoil, one point per price change.
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