Professor's Research SWSH Black Star Promos #SWSH178

Card #SWSH178 · Illustrated by Yusuke Kozaki

TrainerSupporter

Market value · ungraded

$0.51

▲ 10.2% · 30d

Blended across TCGplayer + Cardmarket
Sold prices, not asking · Updated 5 July 2026
Confidence high · How we price →

What's your copy worth?

Not sure which condition? Grade it from a photo →

Estimated value · Near Mint

$0.51

Pro view — Trader plan and above

Buy from here

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9 different Professor's Research printings exist — is this your card? SWSH Black Star Promos #SWSH178

Professor's Research is a Promo Pokémon card from SWSH Black Star Promos (#SWSH178), illustrated by Yusuke Kozaki. It's a Supporter Trainer card. Its current blended market value is $0.51 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.

Prices last updated 5 July 2026.

#60 most valuable Professor of 91 #293 most valuable in SWSH Black Star Promos of 304

Raw price by condition

Normal · live market via TCGplayer

NMNear Mint$0.66

LPLightly Played$0.55

MPModerately Played$0.56

HPHeavily Played$0.50

7-day▲ 1.5%

30-day▲ 11.9%

90-day▼ 9.6%

All-time high$1

All-time low$0

Graded prices

Ungraded (raw)$0.65

PSA graded price estimates by grade
Grade	Relative value	Price
PSA 9pop 33		$2$2–$2

“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

Price history · Raw

1 Aug 20231 Jul 2026

Latest

$0.75

Period high

$8.47

Period low

$0.46

Change

▼ 88.5%

Recent sold prices

No recent sold listings tracked.

Population across graders

Only 45% of 121 PSA-graded Professor's Research copies are a gem-mint 10 (54 of 121) — the rest grade lower.

PSA121 gradedPSA 10 · 54 · 45% gem rate

Full grade breakdown (9 grades)

1054

933

815

Real graded population from PSA, CGC & BGS — a lower gem rate means a Professor's Research 10 is harder to pull.

Should you grade it?

−$68

Raw $0.51 → graded PSA 9 ≈ $2.25
after ~$70.01 grading fee → 4.4× the raw value

Target grade	Est. value	Grading fee	Net vs raw	Multiple
PSA 9	$2.25	$70.01	−$68	4.4×

Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Real outcome depends on the grade achieved; PSA 10 is best-case.

Best SWSH Black Star Promos cards to grade →ROI calculator

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Where to buy

Check recent sold prices

eBay sold PriceCharting

Market dataCross-market spread, EU price, momentum & community buzz

Cross-market prices

47% spread

TCGplayer · cheapest$1

Cardmarket$1

PriceCharting · dearest$1

Currently 47% cheaper on TCGplayer than PriceCharting. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.

Market signal

Momentum · 30dRising +10%

Cross-marketMarkets disagree 47% gap

Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.

🇪🇺 Cardmarket price · Europe

Cardmarket · Europe's largest card market$1

Buy on CardmarketEU

Card text

Discard your hand and draw 7 cards.

You may play only 1 Supporter card during your turn.

Card details

SetSWSH Black Star Promos →

Number#SWSH178

RarityPromo

PokémonAll Professor cards →

ArtistYusuke Kozaki →

SupertypeTrainer

SubtypesSupporter

Card IDswshp-SWSH178

SourceAggregated marketplaces

Other Professor's Research cards

There are 9 different Professor's Research printings — make sure you're valuing the right one. This is SWSH Black Star Promos #SWSH178 (Promo).