Professor's Research (Professor Magnolia)

Sword & Shield Base Set (2020), Pokémon, 178/202, Rare Holo, art by Yusuke Ohmura

PrintingHolofoil $0.17Reverse Holofoil $0.32

Reverse Holofoil, Near Mint

$0.32

TCGplayer market price (an average of recent sales)

As of Oct 26 (yesterday). Unchanged since Oct 20.

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Price trend

For the Reverse Holofoil printing.

Oct 19 $0.33 → Oct 26, 2026 $0.32 −3.0%

$0.33$0.32

Oct 19, 2026Oct 21, 2026Oct 22, 2026Oct 23, 2026Oct 26, 2026

Sep 26 $0.33 → Oct 26, 2026 $0.32 −3.0%

$0.33$0.32

Sep 26, 2026Oct 6, 2026Oct 11, 2026Oct 16, 2026Oct 26, 2026

Jul 28 $0.32 → Oct 26, 2026 $0.32 0.0%

$0.33$0.32

Jul 28, 2026Aug 27, 2026Sep 11, 2026Sep 26, 2026Oct 26, 2026

Oct 26, 2025 $0.30 → Oct 26, 2026 $0.32 +6.7%

$0.33$0.29$0.30$0.31$0.32

Oct 26, 2025Feb 24, 2026Apr 26, 2026Jun 26, 2026Oct 26, 2026

Feb 8, 2024 $0.31 → Oct 26, 2026 $0.32 +3.2%

$0.34$0.24$0.26$0.28$0.30$0.32

Feb 8, 2024Jan 3, 2025Jun 17, 2025Nov 29, 2025Oct 26, 2026

Vs its set

Over the 90 days to Oct 26, 2026: the Reverse Holofoil printing 0.0%; the median other card in Sword & Shield Base Set +4.5% (224 others).

Market details

Record

Price history Feb 8, 2024 to Oct 26, 2026

Highest (Reverse Holofoil)$0.34first Jun 20, 2025 to Jul 3, 2025

Lowest (Reverse Holofoil)$0.24May 27, 2024 to May 28, 2024

Vs highest6% below $0.34

Price changes, last 30 days

3 changes, each one cent, between $0.32 and $0.33.

Same set: Sword & Shield Base Set (225)

Same artist: Yusuke Ohmura (61)

Bianca$0.24Emerging Powers

Show all 61

Keep exploring

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Live market

Newest TCGplayer value: Oct 26, 2026. Prices in USD. Card names and images © their respective publishers. See how these prices are made.