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Professor's Letter (123/146) (Emerald King - Andrew Estrada) [World Championships 2014]

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Set: World Championships 2014 Type: Item Rarity: U...

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$6.65

Professor's Letter (123/146) (League Promo) [XY: Base Set]

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Set: XY: Base Set Type: Item Rarity: Promo ...

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$3.10

Professor's Letter (123/146) (Primal Groudon - Alejandro Ng-Guzman) [World Championships 2015]

Pokémon
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Set: World Championships 2015 Type: Item Rarity: U...

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Professor’s Letter (123/146) [XY: Base Set] - Pokemon Single Sold out
$0.55

Professor's Letter (123/146) [XY: Base Set]

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Set: XY: Base Set Type: Item Rarity: Uncommon ...

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Professor’s Letter (146/162) [XY: BREAKthrough] - Pokemon Single
$1.70

Professor's Letter (146/162) [XY: BREAKthrough]

Pokémon
In stock

Set: XY: BREAKthrough Type: Item Rarity: Uncommon ...

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$1.70
Near Mint Reverse Holofoil
Professor’s Letter (146a/162) [Alternate Art Promos] - Pokemon Single
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$31.55

Professor's Letter (146a/162) [Alternate Art Promos]

Pokémon
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Set: Alternate Art Promos Type: Item Rarity: Promo...

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$1.30

Professor's Letter (24/30) [XY: Trainer Kit - Noivern]

Pokémon
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Set: XY: Trainer Kit - Noivern Type: Item Rarity: ...

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Professor’s Letter (28/30) [XY: Trainer Kit - Sylveon] - Pokemon Single
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$1.65

Professor's Letter (28/30) [XY: Trainer Kit - Sylveon]

Pokémon
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Set: XY: Trainer Kit - Sylveon Type: Item Rarity: ...

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Professor’s Research (023/025) [Celebrations: 25th Anniversary] - Pokemon Single
$0.50

Professor's Research (023/025) [Celebrations: 25th Anniversary]

Pokémon
In stock

Set: Celebrations: 25th Anniversary Type: Trainer Rarity: ...

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$0.50
Near Mint Holofoil
Professor’s Research (024/025) [Celebrations: 25th Anniversary] - Pokemon Single
$2.05

Professor's Research (024/025) [Celebrations: 25th Anniversary]

Pokémon
In stock

Set: Celebrations: 25th Anniversary Type: Trainer Rarity: ...

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$2.05
Near Mint Holofoil
Professor’s Research (060/072) (2021) [Professor Program Promos] - Pokemon Single
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$22.35

Professor's Research (060/072) (2021) [Professor Program Promos]

Pokémon
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Set: Professor Program Promos Type: Supporter Rarity: ...

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Professor's Research (060/072) (Cosmos Holo) (Theme Deck Exclusive) [Sword & Shield: Shining Fates]

Pokémon
In stock

Set: Sword & Shield: Shining Fates Type: Supporter Rarit...

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$0.50
Near Mint Holofoil
$0.50

Professor's Research (060/072) (Professor Juniper) [Sword & Shield: Shining Fates]

Pokémon
In stock

Set: Sword & Shield: Shining Fates Type: Supporter Rarit...

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$0.50
Near Mint Holofoil
Professor’s Research (060/072) [Sword & Shield: Shining Fates] - Pokemon Single
$0.50

Professor's Research (060/072) [Sword & Shield: Shining Fates]

Pokémon
In stock

Set: Sword & Shield: Shining Fates Type: Supporter Rarit...

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$0.50
Near Mint
$0.50

Professor's Research (062/073) (Professor Magnolia) [Sword & Shield: Champion's Path]

Pokémon
In stock

Set: Sword & Shield: Champion's Path Type: Supporter Rar...

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$0.50
Near Mint Holofoil
Professor’s Research (078/078) [Pokémon GO] - Pokemon Single
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$4.25

Professor's Research (078/078) [Pokémon GO]

Pokémon
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Set: Pokémon GO Type: Supporter Rarity: Ultra Rare...

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Professor’s Research (084/078) [Pokémon GO] - Pokemon Single
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$14.45

Professor's Research (084/078) [Pokémon GO]

Pokémon
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Professor's Research (084/086) [SV: Black Bolt]
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$0.35

Professor's Research (084/086) [SV: Black Bolt]

Pokémon
Out of stock

Set: SV: Black Bolt Rarity: Uncommon

$0.10 - $0.50
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$0.50

Professor's Research (087/091) [Scarlet & Violet: Paldean Fates]

Pokémon
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Set: Scarlet & Violet: Paldean Fates Type: Supporter Rar...

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$0.50

Professor's Research (088/091) [Scarlet & Violet: Paldean Fates]

Pokémon
In stock

Set: Scarlet & Violet: Paldean Fates Type: Supporter Rar...

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$0.50
Near Mint Holofoil
Professor’s Research (122/131) (Professor Oak) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions] - Pokemon
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$0.65

Professor's Research (122/131) (Professor Oak) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
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Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35

Professor's Research (122/131) (Professor Oak) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
In stock

Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35
Near Mint
Professor’s Research (123/131) (Professor Elm) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions] - Pokemon
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$0.65

Professor's Research (123/131) (Professor Elm) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
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Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35

Professor's Research (123/131) (Professor Elm) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
In stock

Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35
Near Mint
Professor’s Research (124/131) (Professor Rowan) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions] - Pokemon
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$0.55

Professor's Research (124/131) (Professor Rowan) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
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Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35

Professor's Research (124/131) (Professor Rowan) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
In stock

Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35
Near Mint
Professor’s Research (125/131) (Professor Sycamore) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]
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$0.55

Professor's Research (125/131) (Professor Sycamore) (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
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Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35

Professor's Research (125/131) (Professor Sycamore) [Scarlet & Violet: Prismatic Evolutions]

Pokémon
In stock

Set: Scarlet & Violet: Prismatic Evolutions Type: Supporter ...

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$0.35
Near Mint
Professor’s Research (147/172) (2021) [Professor Program Promos] - Pokemon Single
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$19.65

Professor's Research (147/172) (2021) [Professor Program Promos]

Pokémon
Out of stock

Set: Professor Program Promos Type: Supporter Rarity: ...

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$0.50

Professor's Research (147/172) (Professor Rowan) (ADP - Ondrej Skubal) [World Championships 2022]

Pokémon
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Set: World Championships 2022 Type: Supporter Rarity: ...

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$1.45

Professor's Research (147/172) (Professor Rowan) (Ice Rider Palkia - Rikuto Ohashi) [World Championships 2022]

Pokémon
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Set: World Championships 2022 Type: Supporter Rarity: ...

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$0.60 - $1.45
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$0.50

Professor's Research (147/172) (Theme Deck Exclusive) [Sword & Shield: Brilliant Stars]

Pokémon
In stock

Set: Sword & Shield: Brilliant Stars Type: Supporter Rar...

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$0.50
Near Mint
Professor’s Research (147/172) [Sword & Shield: Brilliant Stars] - Pokemon Single
$0.50

Professor's Research (147/172) [Sword & Shield: Brilliant Stars]

Pokémon
In stock

Set: Sword & Shield: Brilliant Stars Type: Supporter Rar...

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$0.50
Near Mint Holofoil
Professor’s Research (150/159) (Full Art) [Sword & Shield: Crown Zenith] - Pokemon Single
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$3.35

Professor's Research (150/159) (Full Art) [Sword & Shield: Crown Zenith]

Pokémon
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Set: Sword & Shield: Crown Zenith Type: Supporter Rarity...

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$0.85 - $3.35
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Professor’s Research (178/202) (Professor Magnolia) [Sword & Shield: Base Set] - Pokemon Single
$0.50

Professor's Research (178/202) (Professor Magnolia) [Sword & Shield: Base Set]

Pokémon
In stock

Set: Sword & Shield: Base Set Type: Supporter Rarity: ...

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$0.50
Near Mint Reverse Holofoil
$3.35

Professor's Research (178/202) (Regional Championship Promo) [Sword & Shield: Base Set]

Pokémon
In stock

Set: Sword & Shield: Base Set Type: Supporter Rarity: ...

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$3.35
Near Mint Reverse Holofoil
$0.50

Professor's Research (178/202) [Sword & Shield: Base Set]

Pokémon
In stock

Set: Sword & Shield: Base Set Type: Supporter Rarity: ...

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$0.50
Near Mint
Professor’s Research (189/198) (2023) [Professor Program Promos] - Pokemon Single
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$23.05

Professor's Research (189/198) (2023) [Professor Program Promos]

Pokémon
Out of stock

Set: Professor Program Promos Type: Supporter Rarity: ...

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$0.80

Professor's Research (189/198) (Colorless Lugia - Gabriel Fernandez) [World Championships 2023]

Pokémon
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Set: World Championships 2023 Type: Supporter Rarity: ...

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Professor's Research (189/198) (Theme Deck Exclusive) [Scarlet & Violet: Black Star Promos]

Pokémon
In stock

Set: Scarlet & Violet: Black Star Promos Type: Supporter ...

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$0.50
Near Mint
Professor’s Research (190/198) (2023) [Professor Program Promos] - Pokemon Single
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$38.75

Professor's Research (190/198) (2023) [Professor Program Promos]

Pokémon
Out of stock

Set: Professor Program Promos Type: Supporter Rarity: ...

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$9.70 - $38.75
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$0.50

Professor's Research (190/198) (Theme Deck Exclusive) [Scarlet & Violet: Base Set]

Pokémon
In stock

Set: Scarlet & Violet: Base Set Type: Supporter Rarity: ...

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$0.50
Near Mint
Professor’s Research (201/202) (Professor Magnolia) [Sword & Shield: Base Set] - Pokemon Single
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$6.75

Professor's Research (201/202) (Professor Magnolia) [Sword & Shield: Base Set]

Pokémon
Out of stock

Set: Sword & Shield: Base Set Type: Supporter Rarity: ...

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$1.70 - $6.75
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Professor’s Research (209/202) [Sword & Shield: Base Set] - Pokemon Single
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$6.55

Professor's Research (209/202) [Sword & Shield: Base Set]

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Out of stock

Set: Sword & Shield: Base Set Type: Supporter Rarity: ...

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$1.65 - $6.55
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Professor’s Research (240/198) [Scarlet & Violet: Base Set] - Pokemon Single
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$4.60

Professor's Research (240/198) [Scarlet & Violet: Base Set]

Pokémon
Out of stock

Set: Scarlet & Violet: Base Set Type: Supporter Rarity: ...

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$1.15 - $4.60
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$0.95

Professor's Research (Poke Ball Pattern) (084/086) [SV: Black Bolt]

Pokémon
Out of stock

Set: SV: Black Bolt Rarity: Uncommon

$0.25 - $0.95
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$0.50

Professor's Research (Professor Sada) (189/198) [Scarlet & Violet: Base Set]

Pokémon
In stock

Set: Scarlet & Violet: Base Set Type: Supporter Rarity: ...

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$0.50
Near Mint Holofoil
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$0.95

Professor's Research (Professor Sada) (Psychic Elegance - Tord Reklev) [World Championships 2023]

Pokémon
Out of stock

Set: World Championships 2023 Type: Supporter Rarity: ...

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$0.40 - $0.95
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