
TCGplayer
$0.19
Down $0.01 (5.00%)· 30D
Up $0.01 (5.56%)· 7D
Cardmarket
€0.04
Down €0.03 (42.86%)· 30D
No change · 7D
TCGplayer
$0.29
Down $0.01 (3.33%)· 30D
No change · 7D
Cardmarket
€0.03
Down €0.74 (96.10%)· 30D
Down €0.16 (84.21%)· 7D
Price history
- TCGplayer
- Cardmarket
Cardmarket in US dollars at 1 EUR = 1.1214 USD (ECB).
Prices
TCGplayer
Raw Price- Non-holo$0.19
- Reverse Holo$0.29
Cardmarket
Raw Price- Non-holo€0.04
- Reverse Holo€0.03
Card details
- Rarity
- Common
- Card type
- Trainer · Supporter
- Regulation
- G
- Released
- Mar 28, 2025
Price summary
Professor's Research 155/159 Non-holo is worth about $0.11 near mint, the average of the TCGplayer and Cardmarket prices, as of Nov 11, 2026. It is down $0.03 (21.4%) over the last 30 days.
How to tell the printings apart
- Non-holo
No foil anywhere on the card.
- Reverse Holo
The foil shine covers the card frame instead of the art.
Low and average prices
| Printing | TCG low | CM 30-day avg |
|---|---|---|
| Non-holo | $0.01 | €0.06 |
| Reverse Holo | $0.01 | €0.46 |
Euro prices convert at the ECB rate of Nov 10, 2026: 1 EUR = 1.1214 USD. Near-mint, ungraded copies.
More from Journey Together
Professor's Research in other sets
060/072Rare7Professor Program$14
084/078Rare RainbowProfessor's ResearchHolo$13
147/172Rare Holo8Professor Program$12
150/159Rare UltraProfessor's ResearchHolo$2.53
078/078Rare UltraProfessor's ResearchHolo$2.34
SWSH152PromoProfessor's ResearchPromo$2.15
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