Professor's Research 147/172
Supporter card from Brilliant Stars · released Feb 25, 2022
Regulation mark DWhat the codes mean

Professor's Research is a Holo Rare Supporter card, number 147/172 in Brilliant Stars (released Feb 25, 2022), illustrated by Sanosuke Sakuma. Its TCGplayer market price was ~$0.26 for the reverse holofoil finish on Oct 30, 2026. Between Sep 30 and Oct 29, 2026, its Reverse Holofoil TCGplayer market price went from ~$0.33 to ~$0.26, down $0.07.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Holofoil | ~$0.15 | ~$0.02 | ~$0.21 | CardNexuseBayBuy Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
| Reverse Holofoil | ~$0.26 | ~$0.04 | ~$0.28 | CardNexuseBayBuy Reverse Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
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Sealed Brilliant Stars products
TCGplayer market prices (via TCGCSV), Oct 30, 2026.

Pokemon Center Elite Trainer Box (Exclusive)~$241.50Buy on CardNexusSearch eBayBuy on TCGplayer Brilliant Stars Pokemon Center Elite Trainer Box (Exclusive) (opens in a new tab)Search eBaySearch AmazonCardNexus
Card details
| Set | Brilliant Stars |
| Number | 147/172 |
| Rarity | Holo Rare |
| Artist | Sanosuke Sakuma |
| Regulation mark | D |
| Format legality | ExpandedNot in Standard: regulation mark D rotated out on Apr 10, 2026. A reprint with a legal mark can still be played. |
| Finishes | Holofoil · Reverse Holofoil |
What the codes mean
- Card number147/172Card 147 of the 172 in the main Brilliant Stars list.
- Set symbol
The small Brilliant Stars symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code. - Regulation markDStandard legality goes by this letter, and D is out of Standard: since Apr 10, 2026 only H and later are legal, unless the card has a reprint with a legal mark.
- RarityHolo Rare, printed as a small symbol after the number.
- Illustrator“Illus. Sanosuke Sakuma” names the artist who made the art.
Card text
Discard your hand and draw 7 cards.
Other Professor's Research printings
More Brilliant Stars cards
Card data via TCGdex and pokemontcg.io, updated Oct 30, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.












