Pokémon sets › SWSH Black Star Promos › Professor's Research
Professor's Research #SWSH178
Low confidence 199th most valuable of 243 priced cards in SWSH Black Star Promos
Rough guide — limited market data — low-value, bulk-traded.
Priced against the UK market and refreshed weekly — adjusted where UK collectors reliably pay above the US average. We have not yet seen enough recent UK activity for this card to read it directly.
Peaked at £1.39 in August 2026; lowest £0.44 in June 2026.
UK price month by month
| Month | UK ungraded |
|---|---|
| June 2026 | £0.77 |
| July 2026 | £0.45 |
| August 2026 | £1.39 |
UK guide prices, with the US market alongside — updated 08 August 2026. Each market is priced from real market data in that market. Estimates for collection tracking — not an appraisal or a quote.
Check recent UK sold prices on eBay →
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