$0.54Professor's Research SWSH178/307 SWSH Black Star Promos price
Professor's Research is card SWSH178 of 307 in SWSH Black Star Promos, released Nov 15, 2019. Its TCGplayer market price is $0.54 for the Normal finish as of Nov 7, 2026. On Cardmarket the normal trend price is €1.02.
PromoEnglishNormalHolo
Market prices by finish
| Source | Finish | Market | Low |
|---|---|---|---|
| Cardmarket | Normal | €1.02 | €0.10 |
| TCGplayer | Normal | $0.54 | $0.30 |
TCGplayer prices in US dollars (market = recent sales), Cardmarket in euros (market = trend price). Source data from Nov 7, 2026.
Price history
FoilScan started recording this card's price on Nov 8, 2026. The chart appears once the price changes.
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