Professor's Letter (123/146) (League Promo) [XY: Base Set]
Pokémon
From $9.99
Professor's Letter (123/146) (Primal Groudon - Alejandro Ng-Guzman) [World Championships 2015]
From $2.99
Professor's Letter (123/146) [XY: Base Set]
From $0.99
Professor's Letter (146/162) [XY: BREAKthrough]
Professor's Letter (146a/162) [Alternate Art Promos]
From $26.99
Professor's Letter (24/30) [XY: Trainer Kit - Noivern]
Regular price $0.99
Professor's Letter (28/30) [XY: Trainer Kit - Sylveon]
Regular price $1.99
Professor's Research (023/025) [Celebrations: 25th Anniversary]
Professor's Research (024/025) [Celebrations: 25th Anniversary]
From $1.99
Professor's Research (060/072) (2021) [Professor Program Promos]
From $17.99
Professor's Research (060/072) (Cosmos Holo) (Theme Deck Exclusive) [Sword & Shield: Shining Fates]
Professor's Research (060/072) (Professor Juniper) [Sword & Shield: Shining Fates]
Professor's Research (060/072) [Sword & Shield: Shining Fates]
Professor's Research (062/073) (Professor Magnolia) [Sword & Shield: Champion's Path]
Professor's Research (078/078) [Pokémon GO]
From $3.99
Professor's Research (084/078) [Pokémon GO]
From $11.99
Professor's Research (087/091) [Scarlet & Violet: Paldean Fates]
Professor's Research (088/091) [Scarlet & Violet: Paldean Fates]
Professor's Research (122/131) [Professor Oak] (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]
Professor's Research (122/131) [Professor Oak] [Scarlet & Violet: Prismatic Evolutions]
![Professor's Research (122/131) [Professor Oak] (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]](//www.pgcollectables.com/cdn/shop/files/81501ce3-4000-525b-a08c-74e897e56868_large.jpg?v=1773944894)
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![Professor's Letter (123/146) (Primal Groudon - Alejandro Ng-Guzman) [World Championships 2015]](http://www.pgcollectables.com/cdn/shop/products/28ebedf6-3ded-58f7-8a68-7978692897d9_{width}x.jpg?v=1707465102)
![Professor's Letter (123/146) (Primal Groudon - Alejandro Ng-Guzman) [World Championships 2015]](http://www.pgcollectables.com/cdn/shop/products/28ebedf6-3ded-58f7-8a68-7978692897d9_large.jpg?v=1707465102)
![Professor's Letter (123/146) [XY: Base Set]](http://www.pgcollectables.com/cdn/shop/products/76a89805-d94f-47aa-bbe6-f20b5e01f32d_{width}x.png?v=1707561396)
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![Professor's Letter (146/162) [XY: BREAKthrough]](http://www.pgcollectables.com/cdn/shop/products/6618c3a2-0686-4d86-b8c4-4d0b92942e7d_{width}x.png?v=1707506049)
![Professor's Letter (146/162) [XY: BREAKthrough]](http://www.pgcollectables.com/cdn/shop/products/6618c3a2-0686-4d86-b8c4-4d0b92942e7d_large.png?v=1707506049)
![Professor's Letter (146a/162) [Alternate Art Promos]](http://www.pgcollectables.com/cdn/shop/files/d40b9200-c186-5291-8f4c-d7a2696cbfed_{width}x.png?v=1755028401)
![Professor's Letter (146a/162) [Alternate Art Promos]](http://www.pgcollectables.com/cdn/shop/files/d40b9200-c186-5291-8f4c-d7a2696cbfed_large.png?v=1755028401)
![Professor's Letter (24/30) [XY: Trainer Kit - Noivern]](http://www.pgcollectables.com/cdn/shop/products/689a529c-582b-4cc1-9b57-dbc333356b02_{width}x.jpg?v=1707561659)
![Professor's Letter (24/30) [XY: Trainer Kit - Noivern]](http://www.pgcollectables.com/cdn/shop/products/689a529c-582b-4cc1-9b57-dbc333356b02_large.jpg?v=1707561659)
![Professor's Letter (28/30) [XY: Trainer Kit - Sylveon]](http://www.pgcollectables.com/cdn/shop/products/e7a2552a-e9fa-43f2-87fa-01f907d99f9d_{width}x.jpg?v=1707561737)
![Professor's Letter (28/30) [XY: Trainer Kit - Sylveon]](http://www.pgcollectables.com/cdn/shop/products/e7a2552a-e9fa-43f2-87fa-01f907d99f9d_large.jpg?v=1707561737)
![Professor's Research (023/025) [Celebrations: 25th Anniversary]](http://www.pgcollectables.com/cdn/shop/files/607b3fc4-b647-5b84-8ad1-0add3351bd40_{width}x.jpg?v=1733437372)
![Professor's Research (023/025) [Celebrations: 25th Anniversary]](http://www.pgcollectables.com/cdn/shop/files/607b3fc4-b647-5b84-8ad1-0add3351bd40_large.jpg?v=1733437372)
![Professor's Research (024/025) [Celebrations: 25th Anniversary]](http://www.pgcollectables.com/cdn/shop/files/3b868f42-8307-5aad-9ca2-1482c55c6ddd_{width}x.jpg?v=1733437347)
![Professor's Research (024/025) [Celebrations: 25th Anniversary]](http://www.pgcollectables.com/cdn/shop/files/3b868f42-8307-5aad-9ca2-1482c55c6ddd_large.jpg?v=1733437347)
![Professor's Research (060/072) (2021) [Professor Program Promos]](http://www.pgcollectables.com/cdn/shop/files/b480eeb8-e9cf-5a9a-a628-03d4facd4df6_{width}x.jpg?v=1770755309)
![Professor's Research (060/072) (2021) [Professor Program Promos]](http://www.pgcollectables.com/cdn/shop/files/b480eeb8-e9cf-5a9a-a628-03d4facd4df6_large.jpg?v=1770755309)
![Professor's Research (060/072) (Cosmos Holo) (Theme Deck Exclusive) [Sword & Shield: Shining Fates]](http://www.pgcollectables.com/cdn/shop/products/a9e1a93b-389b-52e2-bd46-215498440372_{width}x.jpg?v=1707454443)
![Professor's Research (060/072) (Cosmos Holo) (Theme Deck Exclusive) [Sword & Shield: Shining Fates]](http://www.pgcollectables.com/cdn/shop/products/a9e1a93b-389b-52e2-bd46-215498440372_large.jpg?v=1707454443)
![Professor's Research (060/072) (Professor Juniper) [Sword & Shield: Shining Fates]](http://www.pgcollectables.com/cdn/shop/products/fae404bb-1eb7-5177-b6b7-89ecdebc373b_{width}x.png?v=1707473572)
![Professor's Research (060/072) (Professor Juniper) [Sword & Shield: Shining Fates]](http://www.pgcollectables.com/cdn/shop/products/fae404bb-1eb7-5177-b6b7-89ecdebc373b_large.png?v=1707473572)
![Professor's Research (060/072) [Sword & Shield: Shining Fates]](http://www.pgcollectables.com/cdn/shop/products/476957f9-99ed-5700-b4aa-0f765c897762_{width}x.jpg?v=1707476416)
![Professor's Research (060/072) [Sword & Shield: Shining Fates]](http://www.pgcollectables.com/cdn/shop/products/476957f9-99ed-5700-b4aa-0f765c897762_large.jpg?v=1707476416)
![Professor's Research (062/073) (Professor Magnolia) [Sword & Shield: Champion's Path]](http://www.pgcollectables.com/cdn/shop/files/4437e2f6-7c54-4e0a-8c61-f59bfe2b5342_e628cfc7-42c4-421f-b270-199ce1870942_{width}x.png?v=1726666715)
![Professor's Research (062/073) (Professor Magnolia) [Sword & Shield: Champion's Path]](http://www.pgcollectables.com/cdn/shop/files/4437e2f6-7c54-4e0a-8c61-f59bfe2b5342_e628cfc7-42c4-421f-b270-199ce1870942_large.png?v=1726666715)
![Professor's Research (078/078) [Pokémon GO]](http://www.pgcollectables.com/cdn/shop/products/a5d59bd2-9134-58cf-a3aa-59e6999d42c6_{width}x.jpg?v=1707453555)
![Professor's Research (078/078) [Pokémon GO]](http://www.pgcollectables.com/cdn/shop/products/a5d59bd2-9134-58cf-a3aa-59e6999d42c6_large.jpg?v=1707453555)
![Professor's Research (084/078) [Pokémon GO]](http://www.pgcollectables.com/cdn/shop/products/61cf980b-e7ed-5598-9f79-6a6a16fcf5d8_{width}x.jpg?v=1707453542)
![Professor's Research (084/078) [Pokémon GO]](http://www.pgcollectables.com/cdn/shop/products/61cf980b-e7ed-5598-9f79-6a6a16fcf5d8_large.jpg?v=1707453542)
![Professor's Research (087/091) [Scarlet & Violet: Paldean Fates]](http://www.pgcollectables.com/cdn/shop/files/534449_{width}x.jpg?v=1760635992)
![Professor's Research (087/091) [Scarlet & Violet: Paldean Fates]](http://www.pgcollectables.com/cdn/shop/files/534449_large.jpg?v=1760635992)
![Professor's Research (088/091) [Scarlet & Violet: Paldean Fates]](http://www.pgcollectables.com/cdn/shop/files/534450_{width}x.jpg?v=1760635969)
![Professor's Research (088/091) [Scarlet & Violet: Paldean Fates]](http://www.pgcollectables.com/cdn/shop/files/534450_large.jpg?v=1760635969)
![Professor's Research (122/131) [Professor Oak] (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]](http://www.pgcollectables.com/cdn/shop/files/81501ce3-4000-525b-a08c-74e897e56868_{width}x.jpg?v=1773944894)
![Professor's Research (122/131) [Professor Oak] (Poke Ball Pattern) [Scarlet & Violet: Prismatic Evolutions]](http://www.pgcollectables.com/cdn/shop/files/81501ce3-4000-525b-a08c-74e897e56868_large.jpg?v=1773944894)
![Professor's Research (122/131) [Professor Oak] [Scarlet & Violet: Prismatic Evolutions]](http://www.pgcollectables.com/cdn/shop/files/02f4a759-a1a7-50a5-a05b-e081d9067584_{width}x.jpg?v=1741358138)
![Professor's Research (122/131) [Professor Oak] [Scarlet & Violet: Prismatic Evolutions]](http://www.pgcollectables.com/cdn/shop/files/02f4a759-a1a7-50a5-a05b-e081d9067584_large.jpg?v=1741358138)