Professor's Research SWSH178, SWSH Black Star Promos Pokémon card

Promo2019Sword & Shield era

Professor's ResearchSWSH Black Star Promos SWSH178 price & value

Ungraded · near mint

Strong data

$0.60

Typical range $0.49 – $0.60

PSA 9: $2.25

Prices updated today · How we price cards

Ungraded price by printing

Non-holo$0.60
Holofoil$0.38

Current marketplace price for each printing. The headline value above blends sold prices across printings.

About this card

As of Sep 28, 2026, Professor's Research SWSH178 from SWSH Black Star Promos is worth about $0.60 ungraded in near-mint condition.

Professor's Research is card SWSH178 in the SWSH Black Star Promos price guide, a set released in November 2019 during the Sword & Shield era. Its rarity is Promo. The artwork is by Yusuke Kozaki. In the checklist it sits after Special Delivery Bidoof SWSH177 and before Flareon V SWSH179.

It is the 286th most valuable of the 304 priced cards in SWSH Black Star Promos, behind Special Delivery Bidoof SWSH177 (see the most valuable SWSH Black Star Promos cards).

Price history

Sep 27Dec 28Mar 29Jun 29Sep 28

Now: $0.60
4 weeks: +9.1%
90 days: −35%
1 year: –
Highest: $5.13
Lowest: $0.41

Recorded history starts July 2022. Earlier history is monthly averages; from August 29, 2026 the line is a 7-day average of daily prices, so single-day swings don’t show.

Matched sold listings

Recent sales

No matched sales on record for this card yet. Low-value and very rare cards often go months between public sales. The price above then leans on marketplace listings, and its confidence mark says so.

Card details

Set: SWSH Black Star Promos
Number: SWSH178
Rarity: Promo
Released: Nov 15, 2019
Era: Sword & Shield
Illustrator: Yusuke Kozaki
Printings: Non-holo, Holofoil

Explore further

Next in the binder

Nearby in SWSH Black Star Promos

Full checklist

SWSH Black Star Promos

Chase cards from this set

Full ranking

Common questions

How much is Professor's Research SWSH178 SWSH Black Star Promos worth?

As of Sep 28, 2026, Professor's Research SWSH178 SWSH Black Star Promos is worth about $0.60 ungraded in near-mint condition. Recent prices range from $0.49 to $0.60. How we price cards.

What is the most valuable card in SWSH Black Star Promos?

The most valuable card in SWSH Black Star Promos is Special Delivery Bidoof SWSH177, at about $720 ungraded. Professor's Research SWSH178 ranks 286th of 304. See the full SWSH Black Star Promos ranking.

What set is Professor's Research SWSH178 from?

Professor's Research SWSH178 is from the English Pokémon TCG set SWSH Black Star Promos, released Nov 15, 2019, in the Sword & Shield era. Its rarity is Promo.