Pokémon sets › Japanese Sword & Shield Promos › Professor's Research
Professor's Research #224S-P
Low confidence 147th most valuable of 148 priced cards in Japanese Sword & Shield Promos
Rough guide — limited market data — low-value, bulk-traded, thinner Japanese market data.
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.
A PSA 10 of this card sells for about 33.8× the ungraded price — £1.71 raw against £57.81 graded.
Peaked at £5.41 in June 2026; lowest £1.34 in August 2026. PSA 10 moved +63.4% over a comparable period.
UK price month by month
| Month | UK ungraded |
|---|---|
| June 2026 | £3.19 |
| July 2026 | £1.37 |
| August 2026 | £1.71 |
UK guide prices, with the US market alongside — updated 30 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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