Holofile
Professor's Research 147/172 Brilliant Stars

BRILLIANT STARS

Professor's Research 147/172

Professor's Research is card 147/172 in Brilliant Stars (BRS), a Sword & Shield set, released on February 25, 2022. It’s a Rare Holo illustrated by Sanosuke Sakuma. It comes in 6 printings: Normal, Holo, Reverse Holo, Play Pokemon Stamp, Play Pokemon Stamp Holo and Professor Program Stamp Reverse Holo. A Near Mint Normal copy has a market price of $0.05 as of October 17, 2026, up 25% over 30 days.

Market price · Near Mint · Normal

$0.05+25% in 30 days

Jul 19, 2026 · $0.09Low $0.04 · High $0.09Oct 17, 2026 · $0.05

As of October 17, 2026. Prices are estimates from third-party market data and are not offers to buy or sell. Holo10 in the Holofile app adds 6-month, 1-year and all-time charts.

Number
147/172
Rarity
Rare Holo
Released
February 25, 2022

Printings and prices

Normal

Ungraded
ConditionMarket30 days
Near Mint$0.05+25%
Lightly Played$0.12+9%
Moderately Played$0.020%
Graded
GradeMarket30 days
PSA 9$32.000%
PSA 8$22.000%
CGC 9$17.000%
CGC 8.5$12.000%

Holo

Ungraded
ConditionMarket30 days
Near Mint$0.15−21%
Lightly Played$0.170%
Moderately Played$0.19+73%
Graded
GradeMarket30 days
PSA 10$69.790%
PSA 9$10.860%
PSA 8$4.560%
PSA 7$6.000%
CGC 10$6.980%
CGC 9$8.000%
CGC 7.5$6.000%

Reverse Holo

Ungraded
ConditionMarket30 days
Near Mint$0.31−14%
Lightly Played$0.240%
Moderately Played$0.14+27%

Play Pokemon Stamp

Ungraded
ConditionMarket30 days
Near Mint$0.29−3%
Lightly Played$0.380%
Moderately Played$0.220%

Play Pokemon Stamp Holo

Ungraded
ConditionMarket30 days
Near Mint$0.35−3%
Lightly Played$0.390%
Moderately Played$0.200%

Professor Program Stamp Reverse Holo

Ungraded
ConditionMarket30 days
Near Mint$12.020%
Lightly Played$12.98

Market prices as of October 17, 2026: in US dollars unless marked. Prices are estimates from third-party market data and are not offers to buy or sell.