Professor's Research — SWSH Black Star Promos SWSH178
Normal
$0.61
Market price
TCGplayer · snapshot Sep 24, 2026| Market (US) | Listings low–high | Europe avg | |
|---|---|---|---|
| Normal | $0.61 | $0.40 – $19.92 | €0.54 |
Last 30 days
Cardmarket rolling averages for the normal print.
| Window | Average sale |
|---|---|
| Last 24 hours | €0.50 |
| Last 7 days | €0.53 |
| Last 30 days | €0.68 |
The 24-hour average has fallen 26% against the 30-day average — €0.68 to €0.50. A single day is a thin sample; treat it as direction, not as a price.
About this card’s market
Asking prices run from $0.40 to $19.92. A spread that wide says more about individual listings than about the card — the market price above is what copies actually sold for.
In Europe the card has been sliding: the 24-hour average is 26% below the 30-day one.
It sits 289th of 307 priced cards in SWSH Black Star Promos, in the cheaper half of the set.
It is a Promo card, printed in 2019, illustrated by Yusuke Kozaki.
It has rotated out of Standard but remains legal in Expanded.
Priced like this in SWSH Black Star Promos
Whole set →| Weavile SWSH246 | $0.63 |
| Cinderace SWSH278 | $0.59 |
| Inteleon SWSH279 | $0.59 |
| Cyndaquil SWSH221 | $0.64 |
| Rillaboom SWSH277 | $0.56 |
More by Yusuke Kozaki
All 3 →| Professor's Research Pokémon GO 084 | $9.15 |
| Professor's Research Pokémon GO 078 | $2.22 |