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8 other Professor's Research printings exist — is this your card? SWSH Black Star Promos PR-SW SWSH178 ↓
Professor's Research — SWSH Black Star Promos #SWSH178

PromoSWSH Black Star PromosPR-SW SWSH1782019Illustrated by Yusuke Kozaki

Professor's Research #PR-SW SWSH178 SWSH Black Star Promos Price

Raw · near mint

$0.59

Updated

Graded

  • PSA 9$23.8×

No completed sales recorded yet. This is a marketplace asking price, which usually sits above what copies actually sell for. An estimate, not an appraisal. How we price →

Worth grading?Simulate gradingCheck centeringCompareTrade itSelling fees

How Professor's Research trades

A near-mint Professor's Research is 77% cheaper than a year ago, when it was $2.54 (October 2025). It peaked at $5.13 in August 2022 and sits 88% below that high.

What's your copy worth?

Pick the holder and condition you have. How the grades are judged → How we price played copies →

Not sure which condition? Grade it from a photo →

What an ungraded copy has done.

Raw · latest

$1▼ 77%over 366 days

2025-10-03 → 2026-10-04

$1
$1
$2
$2
$3
3 OctDecJanFebMarAprMayJunJulAugSept4 Oct
Our recorded ungraded price for this card. The line closes on the Near Mint figure shown above — the chart and the headline are the same number by construction, never two. The line is the running level, so a single unusually cheap or dear sale does not spike it. Hover any day for its price on the line.

Copies for sale right now

Asking prices, not sales. Stock as of 2026-10-04T12:20:36.536Z.

Buy from here
TCGplayer$1ebay

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No live listings in our latest snapshot for this printing — the marketplaces above search it directly.

Market data

Across the markets

81% apart
  • TCGplayer$1
  • PriceCharting$1

Vendor prices for the same printing beside our own raw sold median — the same figure as the Raw row in the by-grade table. A wide gap is usually thin data on one side rather than an arbitrage; the headline is blended from sales, not from the cheapest of these.

More Professor's Research and more from SWSH Black Star Promos

Prices are raw near mint; PSA 10 shown where we have one.