Home / Promo / SWSH Black Star Promos / Professor's Research #SWSH178
Professor's Research #SWSH178 Pokémon Card from Pokemon Promo Set

Professor's Research #SWSH178

Pokemon Promo
Market price
$0.42
5 sales · latest 2 weeks ago
Sales we held out are listed below, not counted here.
5 sold in 5 days · latest 2 weeks ago
$0.40 $0.49
$0.40 2 weeks ago Professor's Research [Professor Willow] - SWSH178 · Near Mint · Holofoil · English $0.42 2 weeks ago Professor's Research [Professor Willow] - SWSH178 · Near Mint · Holofoil · English $0.49 2 weeks ago Professor's Research [Professor Willow] - SWSH178 · Near Mint · Holofoil · English $0.40 2 weeks ago Professor's Research [Professor Willow] - SWSH178 · Near Mint · Holofoil · English $0.43 2 weeks ago Professor's Research [Professor Willow] - SWSH178 · Near Mint · Holofoil · English

1 sale well outside the rest ($0.49). A median is barely moved by them, which is why it is the number shown.

Every sale is a completed listing. Click any line to open it.

Price by grade
1 from real sales
Grade

Medians of completed sales — click one to see them. Arrows compare the last 90 days with the period before. last sold means one or two sales, so we show the most recent one rather than a median. est is an estimate we have not confirmed. pop is how many exist at that grade. How we price

Sales volume: Top 20% of cards
Promo card
Part of the SWSH Black Star Promos. See the whole set →
Handed out with Pokemon GO 5th anniversary and Pokemon TCG 25th anniversary.
View eBay Listings Buy on TCGplayer Should I grade it?
Price History
Raw PSA 10
Graded by
PSA
20
graded
3
3 in PSA 10 — too few graded to quote a rate
CGC
57
graded
43.9%
25 at 10 or better
How CGC grades work
CGC grades above 9: Pristine sits above Gem Mint, Perfect above that.
Pristine 10 1 Gem Mint 10 24 9 18

These are two different pools of submissions, so this compares what each grader did, not what either would do with the same card.

Population Distribution

PSA 10 3
PSA 9 10
PSA 8 3
PSA 7 4
PSA 6 0
PSA 5 0
PSA 4 0
PSA 3 0
PSA 2 0
PSA 1 0

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