Professor's Research [Professor Sada] - 189/198

PrintingNormal $0.16Holofoil $0.47

Normal, Near Mint

$0.16

TCGplayer market price (an average of recent sales)

As of Oct 26 (yesterday). Unchanged since Oct 11.

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Price trend

For the Normal printing.

Oct 19 $0.16 → Oct 26, 2026 $0.16 0.0%

$0.16

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

Sep 26 $0.18 → Oct 26, 2026 $0.16 −11.1%

$0.18$0.15$0.17$0.16

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

Jul 28 $0.21 → Oct 26, 2026 $0.16 −23.8%

$0.22$0.15$0.18$0.20$0.16

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

Oct 26, 2025 $0.11 → Oct 26, 2026 $0.16 +45.5%

$0.22$0.10$0.15$0.20$0.16

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

Feb 8, 2024 $0.33 → Oct 26, 2026 $0.16 −51.5%

$0.33$0.09$0.20$0.30$0.16

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

Over the 90 days to Oct 26, 2026: the Normal printing −23.8%; the median other card in Prize Pack Series Cards +3.6% (698 others).

Market details

Recent sales (TCGplayer market price)$0.16

Sellers asking (median listing, Normal)$0.20

0$0.20

Sellers ask 1.3× the recent sale price.

Asking figure from TCGplayer listings, as of Oct 26.

Price history Feb 8, 2024 to Oct 26, 2026

Highest (Normal)$0.33Feb 8, 2024 to Feb 13, 2024

Lowest (Normal)$0.09first Feb 13, 2025 to Feb 14, 2025

Vs highest52% below $0.33

6 changes, each one cent, between $0.15 and $0.18.

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