Home Sets Professor Program Promos Professor's Research - 189/198 (2023)

Professor Program Promos · #189/198

Professor's Research - 189/198 (2023)

Supporter Promo

Professor's Research - 189/198 (2023) (Professor Program Promos #189/198) trades around $13.95 raw and $192.80 graded PSA 10 as of May 26, 2026.

Illustrator
kirisAki

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Professor's Research - 189/198 (2023) 189/198 from Professor Program Promos

I · Specifications

Card details

Card

Set
Professor Program Promos
Number
#189/198
Rarity
Promo
Type
Supporter
Illustrator
kirisAki

Pricing live secondary market

Raw market
$13.95Reverse Holo
PSA 9
$8.44-39.5% vs raw
All variants & conditions
Variant / ConditionPrice
Reverse Holofoil$13.95
Near Mint$13.95

Pricing last updated May 25, 2026 · Price history coming soon — daily snapshots are being banked now.

II · Reference

Common questions

How much is Professor's Research - 189/198 (2023) Professor Program Promos #189/198 worth?

Raw (Near Mint, ungraded) copies have a market price of approximately $13.95. PSA 9 copies trade around $8.44. PSA 10 copies trade around $192.80. Prices are updated daily from publicly available secondary-market data.

How rare is Professor's Research - 189/198 (2023) #189/198?

Professor's Research - 189/198 (2023) is a Promo card in Professor Program Promos. Rarer cards typically command higher market prices.

Who illustrated Professor's Research - 189/198 (2023) #189/198?

Professor's Research - 189/198 (2023) #189/198 was illustrated by kirisAki.

Should I grade Professor's Research - 189/198 (2023)?

PSA 10 copies trade around $193, roughly 14× the raw market price ($14). Grading typically costs $25–$75 and takes 2–6 months. The card needs to be near-perfect (centered, sharp corners, no surface scratches) to grade PSA 10 — inspect with a loupe before submitting.

III · From the Same Set

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