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Professor's Research [Professor Sada].

Journey Together · 155/159 · Common
updated Aug 14, 2026

Raw market value · Reverse Holofoil

$0.46.

near mint, ungraded7 day -8.0% · 30 day -2.1%

Price by printing

Reverse Holofoilthis page$0.46

Normal$0.17

Check live eBay pricesPrices above are what copies actually sold for, not what sellers are asking.

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The same card in other sets

Professor Program Promos189/198$12.72

Scarlet & Violet Base Set240/198$2.69

Prize Pack Series Cards189/198$0.53

Scarlet & Violet Base Set189/198$0.28

Paldean Fates087/091$0.19

Deck Exclusives189/198$0.15

What moves the price of this card

The Professor's Research [Professor Sada] on this page is the Reverse Holofoil printing from Journey Together, and it trades at $0.46 in near mint condition. The other 1 printing of the same card sits lower, which is normal: the scarcer print run always carries the premium.

Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.